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Finding the Fourth Proportional to 73,501.60, 110,252.40 and 72,983.20

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Solution

The fourth proportional to 73,501.60, 110,252.40 and 72,983.20 is: 109,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,501.60 : 110,252.40 = 72,983.20 : x
  2. Step 2: Convert to fraction form
    73,501.60/110,252.40 = 72,983.20/x
  3. Step 3: Cross multiply
    73,501.60x = 110,252.40 × 72,983.20
  4. Step 4: Simplify right side
    73,501.60x = 8,046,572,959.68
  5. Step 5: Solve for x
    x = 8,046,572,959.68/73,501.60
  6. Step 6: Final answer
    x = 109,474.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.