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Finding the Fourth Proportional to 126,902.67, 175,125.95 and 70,314.04

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Solution

The fourth proportional to 126,902.67, 175,125.95 and 70,314.04 is: 97,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,902.67 : 175,125.95 = 70,314.04 : x
  2. Step 2: Convert to fraction form
    126,902.67/175,125.95 = 70,314.04/x
  3. Step 3: Cross multiply
    126,902.67x = 175,125.95 × 70,314.04
  4. Step 4: Simplify right side
    126,902.67x = 12,313,813,053.34
  5. Step 5: Solve for x
    x = 12,313,813,053.34/126,902.67
  6. Step 6: Final answer
    x = 97,033.52

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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.