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Finding the Fourth Proportional to 73,312.47, 101,254.10 and 49,397.63

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Solution

The fourth proportional to 73,312.47, 101,254.10 and 49,397.63 is: 68,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,312.47 : 101,254.10 = 49,397.63 : x
  2. Step 2: Convert to fraction form
    73,312.47/101,254.10 = 49,397.63/x
  3. Step 3: Cross multiply
    73,312.47x = 101,254.10 × 49,397.63
  4. Step 4: Simplify right side
    73,312.47x = 5,001,711,814.52
  5. Step 5: Solve for x
    x = 5,001,711,814.52/73,312.47
  6. Step 6: Final answer
    x = 68,224.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.