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Finding the Fourth Proportional to 160,079.70, 240,131.70 and 47,751.12

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Solution

The fourth proportional to 160,079.70, 240,131.70 and 47,751.12 is: 71,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,079.70 : 240,131.70 = 47,751.12 : x
  2. Step 2: Convert to fraction form
    160,079.70/240,131.70 = 47,751.12/x
  3. Step 3: Cross multiply
    160,079.70x = 240,131.70 × 47,751.12
  4. Step 4: Simplify right side
    160,079.70x = 11,466,557,622.50
  5. Step 5: Solve for x
    x = 11,466,557,622.50/160,079.70
  6. Step 6: Final answer
    x = 71,630.30

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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.