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Finding the Fourth Proportional to 353,227.71, 529,802.17 and 97,079.91

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Solution

The fourth proportional to 353,227.71, 529,802.17 and 97,079.91 is: 145,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,227.71 : 529,802.17 = 97,079.91 : x
  2. Step 2: Convert to fraction form
    353,227.71/529,802.17 = 97,079.91/x
  3. Step 3: Cross multiply
    353,227.71x = 529,802.17 × 97,079.91
  4. Step 4: Simplify right side
    353,227.71x = 51,433,146,981.40
  5. Step 5: Solve for x
    x = 51,433,146,981.40/353,227.71
  6. Step 6: Final answer
    x = 145,609.04

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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.