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Finding the Fourth Proportional to 70,158.92, 104,726.59 and 61,301.48

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Solution

The fourth proportional to 70,158.92, 104,726.59 and 61,301.48 is: 91,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,158.92 : 104,726.59 = 61,301.48 : x
  2. Step 2: Convert to fraction form
    70,158.92/104,726.59 = 61,301.48/x
  3. Step 3: Cross multiply
    70,158.92x = 104,726.59 × 61,301.48
  4. Step 4: Simplify right side
    70,158.92x = 6,419,894,962.35
  5. Step 5: Solve for x
    x = 6,419,894,962.35/70,158.92
  6. Step 6: Final answer
    x = 91,505.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.