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Finding the Fourth Proportional to 288,515.52, 432,776.52 and 88,834.32

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Solution

The fourth proportional to 288,515.52, 432,776.52 and 88,834.32 is: 133,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,515.52 : 432,776.52 = 88,834.32 : x
  2. Step 2: Convert to fraction form
    288,515.52/432,776.52 = 88,834.32/x
  3. Step 3: Cross multiply
    288,515.52x = 432,776.52 × 88,834.32
  4. Step 4: Simplify right side
    288,515.52x = 38,445,407,866.17
  5. Step 5: Solve for x
    x = 38,445,407,866.17/288,515.52
  6. Step 6: Final answer
    x = 133,252.48

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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.