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Finding the Fourth Proportional to 127,452.71, 175,889.26 and 70,096.47

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Solution

The fourth proportional to 127,452.71, 175,889.26 and 70,096.47 is: 96,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,452.71 : 175,889.26 = 70,096.47 : x
  2. Step 2: Convert to fraction form
    127,452.71/175,889.26 = 70,096.47/x
  3. Step 3: Cross multiply
    127,452.71x = 175,889.26 × 70,096.47
  4. Step 4: Simplify right side
    127,452.71x = 12,329,216,061.67
  5. Step 5: Solve for x
    x = 12,329,216,061.67/127,452.71
  6. Step 6: Final answer
    x = 96,735.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.