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Finding the Fourth Proportional to 177,359.20, 266,051.60 and 107,087.20

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Solution

The fourth proportional to 177,359.20, 266,051.60 and 107,087.20 is: 160,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,359.20 : 266,051.60 = 107,087.20 : x
  2. Step 2: Convert to fraction form
    177,359.20/266,051.60 = 107,087.20/x
  3. Step 3: Cross multiply
    177,359.20x = 266,051.60 × 107,087.20
  4. Step 4: Simplify right side
    177,359.20x = 28,490,720,899.52
  5. Step 5: Solve for x
    x = 28,490,720,899.52/177,359.20
  6. Step 6: Final answer
    x = 160,638.53

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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.