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Finding the Fourth Proportional to 73,240.80, 101,057.40 and 43,031.04

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Solution

The fourth proportional to 73,240.80, 101,057.40 and 43,031.04 is: 59,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240.80 : 101,057.40 = 43,031.04 : x
  2. Step 2: Convert to fraction form
    73,240.80/101,057.40 = 43,031.04/x
  3. Step 3: Cross multiply
    73,240.80x = 101,057.40 × 43,031.04
  4. Step 4: Simplify right side
    73,240.80x = 4,348,605,021.70
  5. Step 5: Solve for x
    x = 4,348,605,021.70/73,240.80
  6. Step 6: Final answer
    x = 59,374.08

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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.