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Finding the Fourth Proportional to 75,151.50, 112,744.53 and 25,903.50

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Solution

The fourth proportional to 75,151.50, 112,744.53 and 25,903.50 is: 38,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.50 : 112,744.53 = 25,903.50 : x
  2. Step 2: Convert to fraction form
    75,151.50/112,744.53 = 25,903.50/x
  3. Step 3: Cross multiply
    75,151.50x = 112,744.53 × 25,903.50
  4. Step 4: Simplify right side
    75,151.50x = 2,920,477,932.86
  5. Step 5: Solve for x
    x = 2,920,477,932.86/75,151.50
  6. Step 6: Final answer
    x = 38,861.21

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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.