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Finding the Fourth Proportional to 73,235.80, 101,031.88 and 43,020.57

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Solution

The fourth proportional to 73,235.80, 101,031.88 and 43,020.57 is: 59,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,235.80 : 101,031.88 = 43,020.57 : x
  2. Step 2: Convert to fraction form
    73,235.80/101,031.88 = 43,020.57/x
  3. Step 3: Cross multiply
    73,235.80x = 101,031.88 × 43,020.57
  4. Step 4: Simplify right side
    73,235.80x = 4,346,448,970.44
  5. Step 5: Solve for x
    x = 4,346,448,970.44/73,235.80
  6. Step 6: Final answer
    x = 59,348.70

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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.