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Finding the Fourth Proportional to 126,373.98, 174,395.01 and 69,784.14

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Solution

The fourth proportional to 126,373.98, 174,395.01 and 69,784.14 is: 96,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,373.98 : 174,395.01 = 69,784.14 : x
  2. Step 2: Convert to fraction form
    126,373.98/174,395.01 = 69,784.14/x
  3. Step 3: Cross multiply
    126,373.98x = 174,395.01 × 69,784.14
  4. Step 4: Simplify right side
    126,373.98x = 12,170,005,793.14
  5. Step 5: Solve for x
    x = 12,170,005,793.14/126,373.98
  6. Step 6: Final answer
    x = 96,301.52

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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.