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Finding the Fourth Proportional to 74,349.60, 111,531.43 and 24,429.90

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Solution

The fourth proportional to 74,349.60, 111,531.43 and 24,429.90 is: 36,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,349.60 : 111,531.43 = 24,429.90 : x
  2. Step 2: Convert to fraction form
    74,349.60/111,531.43 = 24,429.90/x
  3. Step 3: Cross multiply
    74,349.60x = 111,531.43 × 24,429.90
  4. Step 4: Simplify right side
    74,349.60x = 2,724,702,130.54
  5. Step 5: Solve for x
    x = 2,724,702,130.54/74,349.60
  6. Step 6: Final answer
    x = 36,647.17

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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.