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Finding the Fourth Proportional to 177,380.40, 266,070.60 and 173,881.20

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Solution

The fourth proportional to 177,380.40, 266,070.60 and 173,881.20 is: 260,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,380.40 : 266,070.60 = 173,881.20 : x
  2. Step 2: Convert to fraction form
    177,380.40/266,070.60 = 173,881.20/x
  3. Step 3: Cross multiply
    177,380.40x = 266,070.60 × 173,881.20
  4. Step 4: Simplify right side
    177,380.40x = 46,264,675,212.72
  5. Step 5: Solve for x
    x = 46,264,675,212.72/177,380.40
  6. Step 6: Final answer
    x = 260,821.80

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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.