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Finding the Fourth Proportional to 95,818.32, 143,859.96 and 66,162.96

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Solution

The fourth proportional to 95,818.32, 143,859.96 and 66,162.96 is: 99,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,818.32 : 143,859.96 = 66,162.96 : x
  2. Step 2: Convert to fraction form
    95,818.32/143,859.96 = 66,162.96/x
  3. Step 3: Cross multiply
    95,818.32x = 143,859.96 × 66,162.96
  4. Step 4: Simplify right side
    95,818.32x = 9,518,200,779.08
  5. Step 5: Solve for x
    x = 9,518,200,779.08/95,818.32
  6. Step 6: Final answer
    x = 99,335.92

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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.