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Finding the Fourth Proportional to 173,555.80, 260,042.10 and 84,617.80

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Solution

The fourth proportional to 173,555.80, 260,042.10 and 84,617.80 is: 126,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,555.80 : 260,042.10 = 84,617.80 : x
  2. Step 2: Convert to fraction form
    173,555.80/260,042.10 = 84,617.80/x
  3. Step 3: Cross multiply
    173,555.80x = 260,042.10 × 84,617.80
  4. Step 4: Simplify right side
    173,555.80x = 22,004,190,409.38
  5. Step 5: Solve for x
    x = 22,004,190,409.38/173,555.80
  6. Step 6: Final answer
    x = 126,784.53

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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.