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Finding the Fourth Proportional to 272,700.52, 409,022.16 and 73,041.52

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Solution

The fourth proportional to 272,700.52, 409,022.16 and 73,041.52 is: 109,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,700.52 : 409,022.16 = 73,041.52 : x
  2. Step 2: Convert to fraction form
    272,700.52/409,022.16 = 73,041.52/x
  3. Step 3: Cross multiply
    272,700.52x = 409,022.16 × 73,041.52
  4. Step 4: Simplify right side
    272,700.52x = 29,875,600,280.08
  5. Step 5: Solve for x
    x = 29,875,600,280.08/272,700.52
  6. Step 6: Final answer
    x = 109,554.61

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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.