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Finding the Fourth Proportional to 126,304.56, 174,295.80 and 69,715.80

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Solution

The fourth proportional to 126,304.56, 174,295.80 and 69,715.80 is: 96,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,304.56 : 174,295.80 = 69,715.80 : x
  2. Step 2: Convert to fraction form
    126,304.56/174,295.80 = 69,715.80/x
  3. Step 3: Cross multiply
    126,304.56x = 174,295.80 × 69,715.80
  4. Step 4: Simplify right side
    126,304.56x = 12,151,171,133.64
  5. Step 5: Solve for x
    x = 12,151,171,133.64/126,304.56
  6. Step 6: Final answer
    x = 96,205.32

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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.