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Finding the Fourth Proportional to 176,614.92, 243,718.74 and 101,168.28

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Solution

The fourth proportional to 176,614.92, 243,718.74 and 101,168.28 is: 139,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,614.92 : 243,718.74 = 101,168.28 : x
  2. Step 2: Convert to fraction form
    176,614.92/243,718.74 = 101,168.28/x
  3. Step 3: Cross multiply
    176,614.92x = 243,718.74 × 101,168.28
  4. Step 4: Simplify right side
    176,614.92x = 24,656,605,729.57
  5. Step 5: Solve for x
    x = 24,656,605,729.57/176,614.92
  6. Step 6: Final answer
    x = 139,606.58

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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.