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Finding the Fourth Proportional to 174,006.70, 261,010.05 and 80,694.70

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Solution

The fourth proportional to 174,006.70, 261,010.05 and 80,694.70 is: 121,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,006.70 : 261,010.05 = 80,694.70 : x
  2. Step 2: Convert to fraction form
    174,006.70/261,010.05 = 80,694.70/x
  3. Step 3: Cross multiply
    174,006.70x = 261,010.05 × 80,694.70
  4. Step 4: Simplify right side
    174,006.70x = 21,062,127,681.74
  5. Step 5: Solve for x
    x = 21,062,127,681.74/174,006.70
  6. Step 6: Final answer
    x = 121,042.05

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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.