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Finding the Fourth Proportional to 73,308.04, 101,129.46 and 43,478.92

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Solution

The fourth proportional to 73,308.04, 101,129.46 and 43,478.92 is: 59,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,308.04 : 101,129.46 = 43,478.92 : x
  2. Step 2: Convert to fraction form
    73,308.04/101,129.46 = 43,478.92/x
  3. Step 3: Cross multiply
    73,308.04x = 101,129.46 × 43,478.92
  4. Step 4: Simplify right side
    73,308.04x = 4,396,999,700.98
  5. Step 5: Solve for x
    x = 4,396,999,700.98/73,308.04
  6. Step 6: Final answer
    x = 59,979.77

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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.