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Finding the Fourth Proportional to 141,760.68, 212,641.95 and 36,580.56

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Solution

The fourth proportional to 141,760.68, 212,641.95 and 36,580.56 is: 54,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,760.68 : 212,641.95 = 36,580.56 : x
  2. Step 2: Convert to fraction form
    141,760.68/212,641.95 = 36,580.56/x
  3. Step 3: Cross multiply
    141,760.68x = 212,641.95 × 36,580.56
  4. Step 4: Simplify right side
    141,760.68x = 7,778,561,610.49
  5. Step 5: Solve for x
    x = 7,778,561,610.49/141,760.68
  6. Step 6: Final answer
    x = 54,871.08

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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.