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Finding the Fourth Proportional to 371,735.80, 557,603.10 and 105,498.92

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Solution

The fourth proportional to 371,735.80, 557,603.10 and 105,498.92 is: 158,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,735.80 : 557,603.10 = 105,498.92 : x
  2. Step 2: Convert to fraction form
    371,735.80/557,603.10 = 105,498.92/x
  3. Step 3: Cross multiply
    371,735.80x = 557,603.10 × 105,498.92
  4. Step 4: Simplify right side
    371,735.80x = 58,826,524,838.65
  5. Step 5: Solve for x
    x = 58,826,524,838.65/371,735.80
  6. Step 6: Final answer
    x = 158,248.21

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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.