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Finding the Fourth Proportional to 127,224.70, 175,563.22 and 70,632.42

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Solution

The fourth proportional to 127,224.70, 175,563.22 and 70,632.42 is: 97,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,224.70 : 175,563.22 = 70,632.42 : x
  2. Step 2: Convert to fraction form
    127,224.70/175,563.22 = 70,632.42/x
  3. Step 3: Cross multiply
    127,224.70x = 175,563.22 × 70,632.42
  4. Step 4: Simplify right side
    127,224.70x = 12,400,455,091.59
  5. Step 5: Solve for x
    x = 12,400,455,091.59/127,224.70
  6. Step 6: Final answer
    x = 97,468.93

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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.