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Finding the Fourth Proportional to 74,402.18, 111,590.94 and 24,482.90

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Solution

The fourth proportional to 74,402.18, 111,590.94 and 24,482.90 is: 36,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,402.18 : 111,590.94 = 24,482.90 : x
  2. Step 2: Convert to fraction form
    74,402.18/111,590.94 = 24,482.90/x
  3. Step 3: Cross multiply
    74,402.18x = 111,590.94 × 24,482.90
  4. Step 4: Simplify right side
    74,402.18x = 2,732,069,824.93
  5. Step 5: Solve for x
    x = 2,732,069,824.93/74,402.18
  6. Step 6: Final answer
    x = 36,720.29

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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.