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Finding the Fourth Proportional to 63,153.80, 94,730.81 and 42,134.90

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Solution

The fourth proportional to 63,153.80, 94,730.81 and 42,134.90 is: 63,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.80 : 94,730.81 = 42,134.90 : x
  2. Step 2: Convert to fraction form
    63,153.80/94,730.81 = 42,134.90/x
  3. Step 3: Cross multiply
    63,153.80x = 94,730.81 × 42,134.90
  4. Step 4: Simplify right side
    63,153.80x = 3,991,472,995.59
  5. Step 5: Solve for x
    x = 3,991,472,995.59/63,153.80
  6. Step 6: Final answer
    x = 63,202.43

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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.