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Finding the Fourth Proportional to 75,232.70, 112,877.85 and 74,051.90

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Solution

The fourth proportional to 75,232.70, 112,877.85 and 74,051.90 is: 111,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,232.70 : 112,877.85 = 74,051.90 : x
  2. Step 2: Convert to fraction form
    75,232.70/112,877.85 = 74,051.90/x
  3. Step 3: Cross multiply
    75,232.70x = 112,877.85 × 74,051.90
  4. Step 4: Simplify right side
    75,232.70x = 8,358,819,260.42
  5. Step 5: Solve for x
    x = 8,358,819,260.42/75,232.70
  6. Step 6: Final answer
    x = 111,106.20

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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.