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Finding the Fourth Proportional to 95,770.60, 143,606.69 and 51,434.64

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Solution

The fourth proportional to 95,770.60, 143,606.69 and 51,434.64 is: 77,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,770.60 : 143,606.69 = 51,434.64 : x
  2. Step 2: Convert to fraction form
    95,770.60/143,606.69 = 51,434.64/x
  3. Step 3: Cross multiply
    95,770.60x = 143,606.69 × 51,434.64
  4. Step 4: Simplify right side
    95,770.60x = 7,386,358,273.16
  5. Step 5: Solve for x
    x = 7,386,358,273.16/95,770.60
  6. Step 6: Final answer
    x = 77,125.53

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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.