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Finding the Fourth Proportional to 102,452.65, 141,380.94 and 59,433

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Solution

The fourth proportional to 102,452.65, 141,380.94 and 59,433 is: 82,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,452.65 : 141,380.94 = 59,433 : x
  2. Step 2: Convert to fraction form
    102,452.65/141,380.94 = 59,433/x
  3. Step 3: Cross multiply
    102,452.65x = 141,380.94 × 59,433
  4. Step 4: Simplify right side
    102,452.65x = 8,402,693,407.02
  5. Step 5: Solve for x
    x = 8,402,693,407.02/102,452.65
  6. Step 6: Final answer
    x = 82,015.38

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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.