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Finding the Fourth Proportional to 75,465.92, 104,155.80 and 43,654.16

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Solution

The fourth proportional to 75,465.92, 104,155.80 and 43,654.16 is: 60,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,465.92 : 104,155.80 = 43,654.16 : x
  2. Step 2: Convert to fraction form
    75,465.92/104,155.80 = 43,654.16/x
  3. Step 3: Cross multiply
    75,465.92x = 104,155.80 × 43,654.16
  4. Step 4: Simplify right side
    75,465.92x = 4,546,833,958.13
  5. Step 5: Solve for x
    x = 4,546,833,958.13/75,465.92
  6. Step 6: Final answer
    x = 60,250.16

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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.