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Finding the Fourth Proportional to 98,101.80, 147,152.70 and 48,213.90

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Solution

The fourth proportional to 98,101.80, 147,152.70 and 48,213.90 is: 72,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,101.80 : 147,152.70 = 48,213.90 : x
  2. Step 2: Convert to fraction form
    98,101.80/147,152.70 = 48,213.90/x
  3. Step 3: Cross multiply
    98,101.80x = 147,152.70 × 48,213.90
  4. Step 4: Simplify right side
    98,101.80x = 7,094,805,562.53
  5. Step 5: Solve for x
    x = 7,094,805,562.53/98,101.80
  6. Step 6: Final answer
    x = 72,320.85

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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.