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Finding the Fourth Proportional to 272,088.29, 408,250.01 and 103,659.22

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Solution

The fourth proportional to 272,088.29, 408,250.01 and 103,659.22 is: 155,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,088.29 : 408,250.01 = 103,659.22 : x
  2. Step 2: Convert to fraction form
    272,088.29/408,250.01 = 103,659.22/x
  3. Step 3: Cross multiply
    272,088.29x = 408,250.01 × 103,659.22
  4. Step 4: Simplify right side
    272,088.29x = 42,318,875,042.05
  5. Step 5: Solve for x
    x = 42,318,875,042.05/272,088.29
  6. Step 6: Final answer
    x = 155,533.61

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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.