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Finding the Fourth Proportional to 155,282.40, 232,702.20 and 88,581.60

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Solution

The fourth proportional to 155,282.40, 232,702.20 and 88,581.60 is: 132,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,282.40 : 232,702.20 = 88,581.60 : x
  2. Step 2: Convert to fraction form
    155,282.40/232,702.20 = 88,581.60/x
  3. Step 3: Cross multiply
    155,282.40x = 232,702.20 × 88,581.60
  4. Step 4: Simplify right side
    155,282.40x = 20,613,133,199.52
  5. Step 5: Solve for x
    x = 20,613,133,199.52/155,282.40
  6. Step 6: Final answer
    x = 132,746.10

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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.