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Finding the Fourth Proportional to 98,209.52, 147,310.60 and 58,503.32

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Solution

The fourth proportional to 98,209.52, 147,310.60 and 58,503.32 is: 87,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,209.52 : 147,310.60 = 58,503.32 : x
  2. Step 2: Convert to fraction form
    98,209.52/147,310.60 = 58,503.32/x
  3. Step 3: Cross multiply
    98,209.52x = 147,310.60 × 58,503.32
  4. Step 4: Simplify right side
    98,209.52x = 8,618,159,171.19
  5. Step 5: Solve for x
    x = 8,618,159,171.19/98,209.52
  6. Step 6: Final answer
    x = 87,752.79

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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.