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Finding the Fourth Proportional to 423,529.93, 635,248.41 and 124,013.43

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Solution

The fourth proportional to 423,529.93, 635,248.41 and 124,013.43 is: 186,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,529.93 : 635,248.41 = 124,013.43 : x
  2. Step 2: Convert to fraction form
    423,529.93/635,248.41 = 124,013.43/x
  3. Step 3: Cross multiply
    423,529.93x = 635,248.41 × 124,013.43
  4. Step 4: Simplify right side
    423,529.93x = 78,779,333,761.10
  5. Step 5: Solve for x
    x = 78,779,333,761.10/423,529.93
  6. Step 6: Final answer
    x = 186,006.53

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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.