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Finding the Fourth Proportional to 126,866.68, 175,074.54 and 68,722.32

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Solution

The fourth proportional to 126,866.68, 175,074.54 and 68,722.32 is: 94,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,866.68 : 175,074.54 = 68,722.32 : x
  2. Step 2: Convert to fraction form
    126,866.68/175,074.54 = 68,722.32/x
  3. Step 3: Cross multiply
    126,866.68x = 175,074.54 × 68,722.32
  4. Step 4: Simplify right side
    126,866.68x = 12,031,528,561.73
  5. Step 5: Solve for x
    x = 12,031,528,561.73/126,866.68
  6. Step 6: Final answer
    x = 94,836.00

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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.