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Finding the Fourth Proportional to 177,783.76, 266,675.89 and 72,602.73

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Solution

The fourth proportional to 177,783.76, 266,675.89 and 72,602.73 is: 108,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,783.76 : 266,675.89 = 72,602.73 : x
  2. Step 2: Convert to fraction form
    177,783.76/266,675.89 = 72,602.73/x
  3. Step 3: Cross multiply
    177,783.76x = 266,675.89 × 72,602.73
  4. Step 4: Simplify right side
    177,783.76x = 19,361,396,305.80
  5. Step 5: Solve for x
    x = 19,361,396,305.80/177,783.76
  6. Step 6: Final answer
    x = 108,904.19

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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.