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Finding the Fourth Proportional to 126,052.70, 176,605 and 126,052.70

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Solution

The fourth proportional to 126,052.70, 176,605 and 126,052.70 is: 176,605

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,052.70 : 176,605 = 126,052.70 : x
  2. Step 2: Convert to fraction form
    126,052.70/176,605 = 126,052.70/x
  3. Step 3: Cross multiply
    126,052.70x = 176,605 × 126,052.70
  4. Step 4: Simplify right side
    126,052.70x = 22,261,537,083.50
  5. Step 5: Solve for x
    x = 22,261,537,083.50/126,052.70
  6. Step 6: Final answer
    x = 176,605

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.