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Finding the Fourth Proportional to 127,057.73, 175,339.78 and 70,469.10

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Solution

The fourth proportional to 127,057.73, 175,339.78 and 70,469.10 is: 97,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,057.73 : 175,339.78 = 70,469.10 : x
  2. Step 2: Convert to fraction form
    127,057.73/175,339.78 = 70,469.10/x
  3. Step 3: Cross multiply
    127,057.73x = 175,339.78 × 70,469.10
  4. Step 4: Simplify right side
    127,057.73x = 12,356,036,490.80
  5. Step 5: Solve for x
    x = 12,356,036,490.80/127,057.73
  6. Step 6: Final answer
    x = 97,247.42

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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.