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Finding the Fourth Proportional to 86,600.80, 129,901.20 and 24,263.20

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Solution

The fourth proportional to 86,600.80, 129,901.20 and 24,263.20 is: 36,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,600.80 : 129,901.20 = 24,263.20 : x
  2. Step 2: Convert to fraction form
    86,600.80/129,901.20 = 24,263.20/x
  3. Step 3: Cross multiply
    86,600.80x = 129,901.20 × 24,263.20
  4. Step 4: Simplify right side
    86,600.80x = 3,151,818,795.84
  5. Step 5: Solve for x
    x = 3,151,818,795.84/86,600.80
  6. Step 6: Final answer
    x = 36,394.80

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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.