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Finding the Fourth Proportional to 177,339.40, 266,009.10 and 88,606.60

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Solution

The fourth proportional to 177,339.40, 266,009.10 and 88,606.60 is: 132,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,339.40 : 266,009.10 = 88,606.60 : x
  2. Step 2: Convert to fraction form
    177,339.40/266,009.10 = 88,606.60/x
  3. Step 3: Cross multiply
    177,339.40x = 266,009.10 × 88,606.60
  4. Step 4: Simplify right side
    177,339.40x = 23,570,161,920.06
  5. Step 5: Solve for x
    x = 23,570,161,920.06/177,339.40
  6. Step 6: Final answer
    x = 132,909.90

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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.