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Finding the Fourth Proportional to 95.04, 141.54 and 93.42

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Solution

The fourth proportional to 95.04, 141.54 and 93.42 is: 139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.04 : 141.54 = 93.42 : x
  2. Step 2: Convert to fraction form
    95.04/141.54 = 93.42/x
  3. Step 3: Cross multiply
    95.04x = 141.54 × 93.42
  4. Step 4: Simplify right side
    95.04x = 13,222.67
  5. Step 5: Solve for x
    x = 13,222.67/95.04
  6. Step 6: Final answer
    x = 139.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.