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Finding the Fourth Proportional to 95,878.56, 132,312.54 and 57,638.53

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Solution

The fourth proportional to 95,878.56, 132,312.54 and 57,638.53 is: 79,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,878.56 : 132,312.54 = 57,638.53 : x
  2. Step 2: Convert to fraction form
    95,878.56/132,312.54 = 57,638.53/x
  3. Step 3: Cross multiply
    95,878.56x = 132,312.54 × 57,638.53
  4. Step 4: Simplify right side
    95,878.56x = 7,626,300,306.17
  5. Step 5: Solve for x
    x = 7,626,300,306.17/95,878.56
  6. Step 6: Final answer
    x = 79,541.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.