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Finding the Fourth Proportional to 73,391.68, 101,300.45 and 43,186.71

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Solution

The fourth proportional to 73,391.68, 101,300.45 and 43,186.71 is: 59,609.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,391.68 : 101,300.45 = 43,186.71 : x
  2. Step 2: Convert to fraction form
    73,391.68/101,300.45 = 43,186.71/x
  3. Step 3: Cross multiply
    73,391.68x = 101,300.45 × 43,186.71
  4. Step 4: Simplify right side
    73,391.68x = 4,374,832,941.09
  5. Step 5: Solve for x
    x = 4,374,832,941.09/73,391.68
  6. Step 6: Final answer
    x = 59,609.39

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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.