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Finding the Fourth Proportional to 177,123.20, 266,203.20 and 154,313.60

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Solution

The fourth proportional to 177,123.20, 266,203.20 and 154,313.60 is: 231,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,123.20 : 266,203.20 = 154,313.60 : x
  2. Step 2: Convert to fraction form
    177,123.20/266,203.20 = 154,313.60/x
  3. Step 3: Cross multiply
    177,123.20x = 266,203.20 × 154,313.60
  4. Step 4: Simplify right side
    177,123.20x = 41,078,774,123.52
  5. Step 5: Solve for x
    x = 41,078,774,123.52/177,123.20
  6. Step 6: Final answer
    x = 231,922.04

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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.