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Finding the Fourth Proportional to 117,101.22, 175,652.10 and 28,354.38

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Solution

The fourth proportional to 117,101.22, 175,652.10 and 28,354.38 is: 42,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101.22 : 175,652.10 = 28,354.38 : x
  2. Step 2: Convert to fraction form
    117,101.22/175,652.10 = 28,354.38/x
  3. Step 3: Cross multiply
    117,101.22x = 175,652.10 × 28,354.38
  4. Step 4: Simplify right side
    117,101.22x = 4,980,506,391.20
  5. Step 5: Solve for x
    x = 4,980,506,391.20/117,101.22
  6. Step 6: Final answer
    x = 42,531.64

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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.