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Finding the Fourth Proportional to 177,352.60, 266,028.90 and 155,209.23

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Solution

The fourth proportional to 177,352.60, 266,028.90 and 155,209.23 is: 232,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,352.60 : 266,028.90 = 155,209.23 : x
  2. Step 2: Convert to fraction form
    177,352.60/266,028.90 = 155,209.23/x
  3. Step 3: Cross multiply
    177,352.60x = 266,028.90 × 155,209.23
  4. Step 4: Simplify right side
    177,352.60x = 41,290,140,726.75
  5. Step 5: Solve for x
    x = 41,290,140,726.75/177,352.60
  6. Step 6: Final answer
    x = 232,813.85

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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.