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Finding the Fourth Proportional to 266,951.64, 368,472.06 and 153,854.04

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Solution

The fourth proportional to 266,951.64, 368,472.06 and 153,854.04 is: 212,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,951.64 : 368,472.06 = 153,854.04 : x
  2. Step 2: Convert to fraction form
    266,951.64/368,472.06 = 153,854.04/x
  3. Step 3: Cross multiply
    266,951.64x = 368,472.06 × 153,854.04
  4. Step 4: Simplify right side
    266,951.64x = 56,690,915,058.12
  5. Step 5: Solve for x
    x = 56,690,915,058.12/266,951.64
  6. Step 6: Final answer
    x = 212,363.99

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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.