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Finding the Fourth Proportional to 354,392.60, 531,590.81 and 88,153.11

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Solution

The fourth proportional to 354,392.60, 531,590.81 and 88,153.11 is: 132,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,392.60 : 531,590.81 = 88,153.11 : x
  2. Step 2: Convert to fraction form
    354,392.60/531,590.81 = 88,153.11/x
  3. Step 3: Cross multiply
    354,392.60x = 531,590.81 × 88,153.11
  4. Step 4: Simplify right side
    354,392.60x = 46,861,382,708.15
  5. Step 5: Solve for x
    x = 46,861,382,708.15/354,392.60
  6. Step 6: Final answer
    x = 132,230.14

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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.