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Finding the Fourth Proportional to 95,475.78, 143,214.48 and 28,921.14

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Solution

The fourth proportional to 95,475.78, 143,214.48 and 28,921.14 is: 43,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,475.78 : 143,214.48 = 28,921.14 : x
  2. Step 2: Convert to fraction form
    95,475.78/143,214.48 = 28,921.14/x
  3. Step 3: Cross multiply
    95,475.78x = 143,214.48 × 28,921.14
  4. Step 4: Simplify right side
    95,475.78x = 4,141,926,026.11
  5. Step 5: Solve for x
    x = 4,141,926,026.11/95,475.78
  6. Step 6: Final answer
    x = 43,381.96

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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.