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Finding the Fourth Proportional to 67,054.74, 100,595.07 and 25,498.50

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Solution

The fourth proportional to 67,054.74, 100,595.07 and 25,498.50 is: 38,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,054.74 : 100,595.07 = 25,498.50 : x
  2. Step 2: Convert to fraction form
    67,054.74/100,595.07 = 25,498.50/x
  3. Step 3: Cross multiply
    67,054.74x = 100,595.07 × 25,498.50
  4. Step 4: Simplify right side
    67,054.74x = 2,565,023,392.40
  5. Step 5: Solve for x
    x = 2,565,023,392.40/67,054.74
  6. Step 6: Final answer
    x = 38,252.68

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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.