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Finding the Fourth Proportional to 95,872.34, 143,808.51 and 29,312.47

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Solution

The fourth proportional to 95,872.34, 143,808.51 and 29,312.47 is: 43,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,872.34 : 143,808.51 = 29,312.47 : x
  2. Step 2: Convert to fraction form
    95,872.34/143,808.51 = 29,312.47/x
  3. Step 3: Cross multiply
    95,872.34x = 143,808.51 × 29,312.47
  4. Step 4: Simplify right side
    95,872.34x = 4,215,382,220.64
  5. Step 5: Solve for x
    x = 4,215,382,220.64/95,872.34
  6. Step 6: Final answer
    x = 43,968.70

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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.