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Finding the Fourth Proportional to 356,681.52, 534,866.76 and 134,910

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Solution

The fourth proportional to 356,681.52, 534,866.76 and 134,910 is: 202,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,681.52 : 534,866.76 = 134,910 : x
  2. Step 2: Convert to fraction form
    356,681.52/534,866.76 = 134,910/x
  3. Step 3: Cross multiply
    356,681.52x = 534,866.76 × 134,910
  4. Step 4: Simplify right side
    356,681.52x = 72,158,874,591.60
  5. Step 5: Solve for x
    x = 72,158,874,591.60/356,681.52
  6. Step 6: Final answer
    x = 202,306.18

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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.