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Finding the Fourth Proportional to 67,239.84, 100,852.68 and 29,800.56

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Solution

The fourth proportional to 67,239.84, 100,852.68 and 29,800.56 is: 44,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,239.84 : 100,852.68 = 29,800.56 : x
  2. Step 2: Convert to fraction form
    67,239.84/100,852.68 = 29,800.56/x
  3. Step 3: Cross multiply
    67,239.84x = 100,852.68 × 29,800.56
  4. Step 4: Simplify right side
    67,239.84x = 3,005,466,341.50
  5. Step 5: Solve for x
    x = 3,005,466,341.50/67,239.84
  6. Step 6: Final answer
    x = 44,697.70

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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.