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Finding the Fourth Proportional to 73,612.64, 110,419.08 and 26,854.64

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Solution

The fourth proportional to 73,612.64, 110,419.08 and 26,854.64 is: 40,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.64 : 110,419.08 = 26,854.64 : x
  2. Step 2: Convert to fraction form
    73,612.64/110,419.08 = 26,854.64/x
  3. Step 3: Cross multiply
    73,612.64x = 110,419.08 × 26,854.64
  4. Step 4: Simplify right side
    73,612.64x = 2,965,264,642.53
  5. Step 5: Solve for x
    x = 2,965,264,642.53/73,612.64
  6. Step 6: Final answer
    x = 40,282.00

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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.