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Finding the Fourth Proportional to 115,041.01, 158,732.10 and 67,285.03

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Solution

The fourth proportional to 115,041.01, 158,732.10 and 67,285.03 is: 92,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,041.01 : 158,732.10 = 67,285.03 : x
  2. Step 2: Convert to fraction form
    115,041.01/158,732.10 = 67,285.03/x
  3. Step 3: Cross multiply
    115,041.01x = 158,732.10 × 67,285.03
  4. Step 4: Simplify right side
    115,041.01x = 10,680,294,110.46
  5. Step 5: Solve for x
    x = 10,680,294,110.46/115,041.01
  6. Step 6: Final answer
    x = 92,839.02

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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.