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Finding the Fourth Proportional to 117,352.80, 176,029.92 and 28,607.04

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Solution

The fourth proportional to 117,352.80, 176,029.92 and 28,607.04 is: 42,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,352.80 : 176,029.92 = 28,607.04 : x
  2. Step 2: Convert to fraction form
    117,352.80/176,029.92 = 28,607.04/x
  3. Step 3: Cross multiply
    117,352.80x = 176,029.92 × 28,607.04
  4. Step 4: Simplify right side
    117,352.80x = 5,035,694,962.64
  5. Step 5: Solve for x
    x = 5,035,694,962.64/117,352.80
  6. Step 6: Final answer
    x = 42,910.74

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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.