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Finding the Fourth Proportional to 127,626.48, 176,124.96 and 70,266.96

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Solution

The fourth proportional to 127,626.48, 176,124.96 and 70,266.96 is: 96,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626.48 : 176,124.96 = 70,266.96 : x
  2. Step 2: Convert to fraction form
    127,626.48/176,124.96 = 70,266.96/x
  3. Step 3: Cross multiply
    127,626.48x = 176,124.96 × 70,266.96
  4. Step 4: Simplify right side
    127,626.48x = 12,375,765,519.32
  5. Step 5: Solve for x
    x = 12,375,765,519.32/127,626.48
  6. Step 6: Final answer
    x = 96,968.63

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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.