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Finding the Fourth Proportional to 113,301.70, 169,799.46 and 43,142.74

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Solution

The fourth proportional to 113,301.70, 169,799.46 and 43,142.74 is: 64,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,301.70 : 169,799.46 = 43,142.74 : x
  2. Step 2: Convert to fraction form
    113,301.70/169,799.46 = 43,142.74/x
  3. Step 3: Cross multiply
    113,301.70x = 169,799.46 × 43,142.74
  4. Step 4: Simplify right side
    113,301.70x = 7,325,613,954.92
  5. Step 5: Solve for x
    x = 7,325,613,954.92/113,301.70
  6. Step 6: Final answer
    x = 64,655.82

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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.