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Finding the Fourth Proportional to 127,453.88, 175,882.92 and 70,867.28

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Solution

The fourth proportional to 127,453.88, 175,882.92 and 70,867.28 is: 97,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.88 : 175,882.92 = 70,867.28 : x
  2. Step 2: Convert to fraction form
    127,453.88/175,882.92 = 70,867.28/x
  3. Step 3: Cross multiply
    127,453.88x = 175,882.92 × 70,867.28
  4. Step 4: Simplify right side
    127,453.88x = 12,464,344,138.86
  5. Step 5: Solve for x
    x = 12,464,344,138.86/127,453.88
  6. Step 6: Final answer
    x = 97,794.94

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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.