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Finding the Fourth Proportional to 177,863.40, 266,471.10 and 140,668.20

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Solution

The fourth proportional to 177,863.40, 266,471.10 and 140,668.20 is: 210,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,863.40 : 266,471.10 = 140,668.20 : x
  2. Step 2: Convert to fraction form
    177,863.40/266,471.10 = 140,668.20/x
  3. Step 3: Cross multiply
    177,863.40x = 266,471.10 × 140,668.20
  4. Step 4: Simplify right side
    177,863.40x = 37,484,009,989.02
  5. Step 5: Solve for x
    x = 37,484,009,989.02/177,863.40
  6. Step 6: Final answer
    x = 210,746.06

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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.