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Finding the Fourth Proportional to 102,616.17, 153,947.34 and 36,060.90

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Solution

The fourth proportional to 102,616.17, 153,947.34 and 36,060.90 is: 54,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,616.17 : 153,947.34 = 36,060.90 : x
  2. Step 2: Convert to fraction form
    102,616.17/153,947.34 = 36,060.90/x
  3. Step 3: Cross multiply
    102,616.17x = 153,947.34 × 36,060.90
  4. Step 4: Simplify right side
    102,616.17x = 5,551,479,633.01
  5. Step 5: Solve for x
    x = 5,551,479,633.01/102,616.17
  6. Step 6: Final answer
    x = 54,099.46

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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.