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Finding the Fourth Proportional to 177,630.98, 245,294.45 and 114,079.49

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Solution

The fourth proportional to 177,630.98, 245,294.45 and 114,079.49 is: 157,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,630.98 : 245,294.45 = 114,079.49 : x
  2. Step 2: Convert to fraction form
    177,630.98/245,294.45 = 114,079.49/x
  3. Step 3: Cross multiply
    177,630.98x = 245,294.45 × 114,079.49
  4. Step 4: Simplify right side
    177,630.98x = 27,983,065,306.61
  5. Step 5: Solve for x
    x = 27,983,065,306.61/177,630.98
  6. Step 6: Final answer
    x = 157,534.83

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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.