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Finding the Fourth Proportional to 75,000.70, 112,501.05 and 52,882.30

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Solution

The fourth proportional to 75,000.70, 112,501.05 and 52,882.30 is: 79,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.70 : 112,501.05 = 52,882.30 : x
  2. Step 2: Convert to fraction form
    75,000.70/112,501.05 = 52,882.30/x
  3. Step 3: Cross multiply
    75,000.70x = 112,501.05 × 52,882.30
  4. Step 4: Simplify right side
    75,000.70x = 5,949,314,276.42
  5. Step 5: Solve for x
    x = 5,949,314,276.42/75,000.70
  6. Step 6: Final answer
    x = 79,323.45

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1.5x scale

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.