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Finding the Fourth Proportional to 160,077.54, 240,128.28 and 47,748.90

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Solution

The fourth proportional to 160,077.54, 240,128.28 and 47,748.90 is: 71,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,077.54 : 240,128.28 = 47,748.90 : x
  2. Step 2: Convert to fraction form
    160,077.54/240,128.28 = 47,748.90/x
  3. Step 3: Cross multiply
    160,077.54x = 240,128.28 × 47,748.90
  4. Step 4: Simplify right side
    160,077.54x = 11,465,861,228.89
  5. Step 5: Solve for x
    x = 11,465,861,228.89/160,077.54
  6. Step 6: Final answer
    x = 71,626.92

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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.