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Finding the Fourth Proportional to 177,795.20, 266,692.80 and 169,630.40

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Solution

The fourth proportional to 177,795.20, 266,692.80 and 169,630.40 is: 254,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,795.20 : 266,692.80 = 169,630.40 : x
  2. Step 2: Convert to fraction form
    177,795.20/266,692.80 = 169,630.40/x
  3. Step 3: Cross multiply
    177,795.20x = 266,692.80 × 169,630.40
  4. Step 4: Simplify right side
    177,795.20x = 45,239,206,341.12
  5. Step 5: Solve for x
    x = 45,239,206,341.12/177,795.20
  6. Step 6: Final answer
    x = 254,445.60

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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.