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Finding the Fourth Proportional to 498,045.90, 747,068.85 and 124,068.90

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Solution

The fourth proportional to 498,045.90, 747,068.85 and 124,068.90 is: 186,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,045.90 : 747,068.85 = 124,068.90 : x
  2. Step 2: Convert to fraction form
    498,045.90/747,068.85 = 124,068.90/x
  3. Step 3: Cross multiply
    498,045.90x = 747,068.85 × 124,068.90
  4. Step 4: Simplify right side
    498,045.90x = 92,688,010,443.77
  5. Step 5: Solve for x
    x = 92,688,010,443.77/498,045.90
  6. Step 6: Final answer
    x = 186,103.35

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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.