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Finding the Fourth Proportional to 160,143.30, 240,242.58 and 65,424.96

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Solution

The fourth proportional to 160,143.30, 240,242.58 and 65,424.96 is: 98,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,143.30 : 240,242.58 = 65,424.96 : x
  2. Step 2: Convert to fraction form
    160,143.30/240,242.58 = 65,424.96/x
  3. Step 3: Cross multiply
    160,143.30x = 240,242.58 × 65,424.96
  4. Step 4: Simplify right side
    160,143.30x = 15,717,861,186.80
  5. Step 5: Solve for x
    x = 15,717,861,186.80/160,143.30
  6. Step 6: Final answer
    x = 98,148.73

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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.