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Finding the Fourth Proportional to 177,411.40, 266,117.10 and 173,912.20

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Solution

The fourth proportional to 177,411.40, 266,117.10 and 173,912.20 is: 260,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,411.40 : 266,117.10 = 173,912.20 : x
  2. Step 2: Convert to fraction form
    177,411.40/266,117.10 = 173,912.20/x
  3. Step 3: Cross multiply
    177,411.40x = 266,117.10 × 173,912.20
  4. Step 4: Simplify right side
    177,411.40x = 46,281,010,318.62
  5. Step 5: Solve for x
    x = 46,281,010,318.62/177,411.40
  6. Step 6: Final answer
    x = 260,868.30

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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.