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Finding the Fourth Proportional to 73,952.00, 102,045.64 and 45,278.88

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Solution

The fourth proportional to 73,952.00, 102,045.64 and 45,278.88 is: 62,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,952.00 : 102,045.64 = 45,278.88 : x
  2. Step 2: Convert to fraction form
    73,952.00/102,045.64 = 45,278.88/x
  3. Step 3: Cross multiply
    73,952.00x = 102,045.64 × 45,278.88
  4. Step 4: Simplify right side
    73,952.00x = 4,620,512,451.12
  5. Step 5: Solve for x
    x = 4,620,512,451.12/73,952.00
  6. Step 6: Final answer
    x = 62,479.88

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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.