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Finding the Fourth Proportional to 276,077.80, 414,116.70 and 118,613.80

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Solution

The fourth proportional to 276,077.80, 414,116.70 and 118,613.80 is: 177,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,077.80 : 414,116.70 = 118,613.80 : x
  2. Step 2: Convert to fraction form
    276,077.80/414,116.70 = 118,613.80/x
  3. Step 3: Cross multiply
    276,077.80x = 414,116.70 × 118,613.80
  4. Step 4: Simplify right side
    276,077.80x = 49,119,955,430.46
  5. Step 5: Solve for x
    x = 49,119,955,430.46/276,077.80
  6. Step 6: Final answer
    x = 177,920.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.