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Finding the Fourth Proportional to 114,224.60, 171,209.45 and 47,642.60

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Solution

The fourth proportional to 114,224.60, 171,209.45 and 47,642.60 is: 71,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,224.60 : 171,209.45 = 47,642.60 : x
  2. Step 2: Convert to fraction form
    114,224.60/171,209.45 = 47,642.60/x
  3. Step 3: Cross multiply
    114,224.60x = 171,209.45 × 47,642.60
  4. Step 4: Simplify right side
    114,224.60x = 8,156,862,248.31
  5. Step 5: Solve for x
    x = 8,156,862,248.31/114,224.60
  6. Step 6: Final answer
    x = 71,410.73

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1.5x scale

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.