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Finding the Fourth Proportional to 95,565.94, 143,904.49 and 70,781.86

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Solution

The fourth proportional to 95,565.94, 143,904.49 and 70,781.86 is: 106,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,565.94 : 143,904.49 = 70,781.86 : x
  2. Step 2: Convert to fraction form
    95,565.94/143,904.49 = 70,781.86/x
  3. Step 3: Cross multiply
    95,565.94x = 143,904.49 × 70,781.86
  4. Step 4: Simplify right side
    95,565.94x = 10,185,827,464.55
  5. Step 5: Solve for x
    x = 10,185,827,464.55/95,565.94
  6. Step 6: Final answer
    x = 106,584.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.