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Finding the Fourth Proportional to 73,402.52, 101,278.12 and 43,189.16

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Solution

The fourth proportional to 73,402.52, 101,278.12 and 43,189.16 is: 59,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,402.52 : 101,278.12 = 43,189.16 : x
  2. Step 2: Convert to fraction form
    73,402.52/101,278.12 = 43,189.16/x
  3. Step 3: Cross multiply
    73,402.52x = 101,278.12 × 43,189.16
  4. Step 4: Simplify right side
    73,402.52x = 4,374,116,929.18
  5. Step 5: Solve for x
    x = 4,374,116,929.18/73,402.52
  6. Step 6: Final answer
    x = 59,590.83

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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.