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Finding the Fourth Proportional to 177,041.80, 264,914.70 and 130,385.80

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Solution

The fourth proportional to 177,041.80, 264,914.70 and 130,385.80 is: 195,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,041.80 : 264,914.70 = 130,385.80 : x
  2. Step 2: Convert to fraction form
    177,041.80/264,914.70 = 130,385.80/x
  3. Step 3: Cross multiply
    177,041.80x = 264,914.70 × 130,385.80
  4. Step 4: Simplify right side
    177,041.80x = 34,541,115,091.26
  5. Step 5: Solve for x
    x = 34,541,115,091.26/177,041.80
  6. Step 6: Final answer
    x = 195,101.47

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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.