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Finding the Fourth Proportional to 174,261.76, 261,251.91 and 67,590.65

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Solution

The fourth proportional to 174,261.76, 261,251.91 and 67,590.65 is: 101,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,261.76 : 261,251.91 = 67,590.65 : x
  2. Step 2: Convert to fraction form
    174,261.76/261,251.91 = 67,590.65/x
  3. Step 3: Cross multiply
    174,261.76x = 261,251.91 × 67,590.65
  4. Step 4: Simplify right side
    174,261.76x = 17,658,187,063.77
  5. Step 5: Solve for x
    x = 17,658,187,063.77/174,261.76
  6. Step 6: Final answer
    x = 101,331.40

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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.