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Finding the Fourth Proportional to 126,853.57, 175,063.70 and 70,264.94

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Solution

The fourth proportional to 126,853.57, 175,063.70 and 70,264.94 is: 96,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853.57 : 175,063.70 = 70,264.94 : x
  2. Step 2: Convert to fraction form
    126,853.57/175,063.70 = 70,264.94/x
  3. Step 3: Cross multiply
    126,853.57x = 175,063.70 × 70,264.94
  4. Step 4: Simplify right side
    126,853.57x = 12,300,840,025.35
  5. Step 5: Solve for x
    x = 12,300,840,025.35/126,853.57
  6. Step 6: Final answer
    x = 96,968.81

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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.