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Finding the Fourth Proportional to 141,535.54, 212,303.31 and 36,354.61

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Solution

The fourth proportional to 141,535.54, 212,303.31 and 36,354.61 is: 54,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,535.54 : 212,303.31 = 36,354.61 : x
  2. Step 2: Convert to fraction form
    141,535.54/212,303.31 = 36,354.61/x
  3. Step 3: Cross multiply
    141,535.54x = 212,303.31 × 36,354.61
  4. Step 4: Simplify right side
    141,535.54x = 7,718,204,036.76
  5. Step 5: Solve for x
    x = 7,718,204,036.76/141,535.54
  6. Step 6: Final answer
    x = 54,531.92

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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.