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Finding the Fourth Proportional to 126,767.54, 174,932.27 and 69,395.76

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Solution

The fourth proportional to 126,767.54, 174,932.27 and 69,395.76 is: 95,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,767.54 : 174,932.27 = 69,395.76 : x
  2. Step 2: Convert to fraction form
    126,767.54/174,932.27 = 69,395.76/x
  3. Step 3: Cross multiply
    126,767.54x = 174,932.27 × 69,395.76
  4. Step 4: Simplify right side
    126,767.54x = 12,139,557,915.53
  5. Step 5: Solve for x
    x = 12,139,557,915.53/126,767.54
  6. Step 6: Final answer
    x = 95,762.35

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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.