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Finding the Fourth Proportional to 96,129.60, 144,227.16 and 48,721.20

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Solution

The fourth proportional to 96,129.60, 144,227.16 and 48,721.20 is: 73,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,129.60 : 144,227.16 = 48,721.20 : x
  2. Step 2: Convert to fraction form
    96,129.60/144,227.16 = 48,721.20/x
  3. Step 3: Cross multiply
    96,129.60x = 144,227.16 × 48,721.20
  4. Step 4: Simplify right side
    96,129.60x = 7,026,920,307.79
  5. Step 5: Solve for x
    x = 7,026,920,307.79/96,129.60
  6. Step 6: Final answer
    x = 73,098.40

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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.