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Finding the Fourth Proportional to 158,505.42, 218,737.08 and 94,843.20

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Solution

The fourth proportional to 158,505.42, 218,737.08 and 94,843.20 is: 130,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,505.42 : 218,737.08 = 94,843.20 : x
  2. Step 2: Convert to fraction form
    158,505.42/218,737.08 = 94,843.20/x
  3. Step 3: Cross multiply
    158,505.42x = 218,737.08 × 94,843.20
  4. Step 4: Simplify right side
    158,505.42x = 20,745,724,625.86
  5. Step 5: Solve for x
    x = 20,745,724,625.86/158,505.42
  6. Step 6: Final answer
    x = 130,883.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.