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Finding the Fourth Proportional to 177,614.40, 266,194.80 and 72,314.40

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Solution

The fourth proportional to 177,614.40, 266,194.80 and 72,314.40 is: 108,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,614.40 : 266,194.80 = 72,314.40 : x
  2. Step 2: Convert to fraction form
    177,614.40/266,194.80 = 72,314.40/x
  3. Step 3: Cross multiply
    177,614.40x = 266,194.80 × 72,314.40
  4. Step 4: Simplify right side
    177,614.40x = 19,249,717,245.12
  5. Step 5: Solve for x
    x = 19,249,717,245.12/177,614.40
  6. Step 6: Final answer
    x = 108,379.26

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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.