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Finding the Fourth Proportional to 159,161.27, 238,776.51 and 52,549.88

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Solution

The fourth proportional to 159,161.27, 238,776.51 and 52,549.88 is: 78,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,161.27 : 238,776.51 = 52,549.88 : x
  2. Step 2: Convert to fraction form
    159,161.27/238,776.51 = 52,549.88/x
  3. Step 3: Cross multiply
    159,161.27x = 238,776.51 × 52,549.88
  4. Step 4: Simplify right side
    159,161.27x = 12,547,676,947.32
  5. Step 5: Solve for x
    x = 12,547,676,947.32/159,161.27
  6. Step 6: Final answer
    x = 78,836.25

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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.