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Finding the Fourth Proportional to 127,451.20, 175,882.08 and 70,859.20

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Solution

The fourth proportional to 127,451.20, 175,882.08 and 70,859.20 is: 97,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,451.20 : 175,882.08 = 70,859.20 : x
  2. Step 2: Convert to fraction form
    127,451.20/175,882.08 = 70,859.20/x
  3. Step 3: Cross multiply
    127,451.20x = 175,882.08 × 70,859.20
  4. Step 4: Simplify right side
    127,451.20x = 12,462,863,483.14
  5. Step 5: Solve for x
    x = 12,462,863,483.14/127,451.20
  6. Step 6: Final answer
    x = 97,785.38

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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.