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Finding the Fourth Proportional to 177,633.80, 266,450.70 and 149,640.20

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Solution

The fourth proportional to 177,633.80, 266,450.70 and 149,640.20 is: 224,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,633.80 : 266,450.70 = 149,640.20 : x
  2. Step 2: Convert to fraction form
    177,633.80/266,450.70 = 149,640.20/x
  3. Step 3: Cross multiply
    177,633.80x = 266,450.70 × 149,640.20
  4. Step 4: Simplify right side
    177,633.80x = 39,871,736,038.14
  5. Step 5: Solve for x
    x = 39,871,736,038.14/177,633.80
  6. Step 6: Final answer
    x = 224,460.30

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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.