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Finding the Fourth Proportional to 502,168.86, 753,254.51 and 123,091.29

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Solution

The fourth proportional to 502,168.86, 753,254.51 and 123,091.29 is: 184,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,168.86 : 753,254.51 = 123,091.29 : x
  2. Step 2: Convert to fraction form
    502,168.86/753,254.51 = 123,091.29/x
  3. Step 3: Cross multiply
    502,168.86x = 753,254.51 × 123,091.29
  4. Step 4: Simplify right side
    502,168.86x = 92,719,068,718.76
  5. Step 5: Solve for x
    x = 92,719,068,718.76/502,168.86
  6. Step 6: Final answer
    x = 184,637.23

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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.