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Finding the Fourth Proportional to 86,854.76, 130,262.52 and 44,116.90

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Solution

The fourth proportional to 86,854.76, 130,262.52 and 44,116.90 is: 66,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,854.76 : 130,262.52 = 44,116.90 : x
  2. Step 2: Convert to fraction form
    86,854.76/130,262.52 = 44,116.90/x
  3. Step 3: Cross multiply
    86,854.76x = 130,262.52 × 44,116.90
  4. Step 4: Simplify right side
    86,854.76x = 5,746,778,242.93
  5. Step 5: Solve for x
    x = 5,746,778,242.93/86,854.76
  6. Step 6: Final answer
    x = 66,165.38

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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.