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Finding the Fourth Proportional to 203,186.40, 304,779.60 and 62,959.20

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Solution

The fourth proportional to 203,186.40, 304,779.60 and 62,959.20 is: 94,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,186.40 : 304,779.60 = 62,959.20 : x
  2. Step 2: Convert to fraction form
    203,186.40/304,779.60 = 62,959.20/x
  3. Step 3: Cross multiply
    203,186.40x = 304,779.60 × 62,959.20
  4. Step 4: Simplify right side
    203,186.40x = 19,188,679,792.32
  5. Step 5: Solve for x
    x = 19,188,679,792.32/203,186.40
  6. Step 6: Final answer
    x = 94,438.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.