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Finding the Fourth Proportional to 73,328.46, 109,927.08 and 54,585.87

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Solution

The fourth proportional to 73,328.46, 109,927.08 and 54,585.87 is: 81,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,328.46 : 109,927.08 = 54,585.87 : x
  2. Step 2: Convert to fraction form
    73,328.46/109,927.08 = 54,585.87/x
  3. Step 3: Cross multiply
    73,328.46x = 109,927.08 × 54,585.87
  4. Step 4: Simplify right side
    73,328.46x = 6,000,465,298.36
  5. Step 5: Solve for x
    x = 6,000,465,298.36/73,328.46
  6. Step 6: Final answer
    x = 81,829.96

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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.