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Finding the Fourth Proportional to 86,753.54, 119,718.32 and 49,026.98

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Solution

The fourth proportional to 86,753.54, 119,718.32 and 49,026.98 is: 67,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,753.54 : 119,718.32 = 49,026.98 : x
  2. Step 2: Convert to fraction form
    86,753.54/119,718.32 = 49,026.98/x
  3. Step 3: Cross multiply
    86,753.54x = 119,718.32 × 49,026.98
  4. Step 4: Simplify right side
    86,753.54x = 5,869,427,680.27
  5. Step 5: Solve for x
    x = 5,869,427,680.27/86,753.54
  6. Step 6: Final answer
    x = 67,656.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.