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Finding the Fourth Proportional to 141,886.62, 212,851.80 and 48,370.50

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Solution

The fourth proportional to 141,886.62, 212,851.80 and 48,370.50 is: 72,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,886.62 : 212,851.80 = 48,370.50 : x
  2. Step 2: Convert to fraction form
    141,886.62/212,851.80 = 48,370.50/x
  3. Step 3: Cross multiply
    141,886.62x = 212,851.80 × 48,370.50
  4. Step 4: Simplify right side
    141,886.62x = 10,295,747,991.90
  5. Step 5: Solve for x
    x = 10,295,747,991.90/141,886.62
  6. Step 6: Final answer
    x = 72,563.21

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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.