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Finding the Fourth Proportional to 77,225.04, 106,569.54 and 43,691.04

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Solution

The fourth proportional to 77,225.04, 106,569.54 and 43,691.04 is: 60,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,225.04 : 106,569.54 = 43,691.04 : x
  2. Step 2: Convert to fraction form
    77,225.04/106,569.54 = 43,691.04/x
  3. Step 3: Cross multiply
    77,225.04x = 106,569.54 × 43,691.04
  4. Step 4: Simplify right side
    77,225.04x = 4,656,134,034.92
  5. Step 5: Solve for x
    x = 4,656,134,034.92/77,225.04
  6. Step 6: Final answer
    x = 60,293.06

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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.