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Finding the Fourth Proportional to 202,977.60, 304,466.40 and 98,001.60

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Solution

The fourth proportional to 202,977.60, 304,466.40 and 98,001.60 is: 147,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,977.60 : 304,466.40 = 98,001.60 : x
  2. Step 2: Convert to fraction form
    202,977.60/304,466.40 = 98,001.60/x
  3. Step 3: Cross multiply
    202,977.60x = 304,466.40 × 98,001.60
  4. Step 4: Simplify right side
    202,977.60x = 29,838,194,346.24
  5. Step 5: Solve for x
    x = 29,838,194,346.24/202,977.60
  6. Step 6: Final answer
    x = 147,002.40

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1.5x scale

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.