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Finding the Fourth Proportional to 234,737.36, 351,931.04 and 141,221.28

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Solution

The fourth proportional to 234,737.36, 351,931.04 and 141,221.28 is: 211,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,737.36 : 351,931.04 = 141,221.28 : x
  2. Step 2: Convert to fraction form
    234,737.36/351,931.04 = 141,221.28/x
  3. Step 3: Cross multiply
    234,737.36x = 351,931.04 × 141,221.28
  4. Step 4: Simplify right side
    234,737.36x = 49,700,151,940.53
  5. Step 5: Solve for x
    x = 49,700,151,940.53/234,737.36
  6. Step 6: Final answer
    x = 211,726.64

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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.