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Finding the Fourth Proportional to 178,307,999.20, 250,084,695.20 and 178,307,999.20

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Solution

The fourth proportional to 178,307,999.20, 250,084,695.20 and 178,307,999.20 is: 250,084,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,307,999.20 : 250,084,695.20 = 178,307,999.20 : x
  2. Step 2: Convert to fraction form
    178,307,999.20/250,084,695.20 = 178,307,999.20/x
  3. Step 3: Cross multiply
    178,307,999.20x = 250,084,695.20 × 178,307,999.20
  4. Step 4: Simplify right side
    178,307,999.20x = 44,592,101,631,653,840
  5. Step 5: Solve for x
    x = 44,592,101,631,653,840/178,307,999.20
  6. Step 6: Final answer
    x = 250,084,695.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.