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Finding the Fourth Proportional to 102,330.95, 141,228.97 and 59,889.38

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Solution

The fourth proportional to 102,330.95, 141,228.97 and 59,889.38 is: 82,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,330.95 : 141,228.97 = 59,889.38 : x
  2. Step 2: Convert to fraction form
    102,330.95/141,228.97 = 59,889.38/x
  3. Step 3: Cross multiply
    102,330.95x = 141,228.97 × 59,889.38
  4. Step 4: Simplify right side
    102,330.95x = 8,458,114,595.47
  5. Step 5: Solve for x
    x = 8,458,114,595.47/102,330.95
  6. Step 6: Final answer
    x = 82,654.51

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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.