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Finding the Fourth Proportional to 141,643.52, 212,441.52 and 41,801.84

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Solution

The fourth proportional to 141,643.52, 212,441.52 and 41,801.84 is: 62,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,643.52 : 212,441.52 = 41,801.84 : x
  2. Step 2: Convert to fraction form
    141,643.52/212,441.52 = 41,801.84/x
  3. Step 3: Cross multiply
    141,643.52x = 212,441.52 × 41,801.84
  4. Step 4: Simplify right side
    141,643.52x = 8,880,446,428.40
  5. Step 5: Solve for x
    x = 8,880,446,428.40/141,643.52
  6. Step 6: Final answer
    x = 62,695.75

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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.