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Finding the Fourth Proportional to 245,005.41, 367,441.80 and 67,470.21

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Solution

The fourth proportional to 245,005.41, 367,441.80 and 67,470.21 is: 101,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,005.41 : 367,441.80 = 67,470.21 : x
  2. Step 2: Convert to fraction form
    245,005.41/367,441.80 = 67,470.21/x
  3. Step 3: Cross multiply
    245,005.41x = 367,441.80 × 67,470.21
  4. Step 4: Simplify right side
    245,005.41x = 24,791,375,408.78
  5. Step 5: Solve for x
    x = 24,791,375,408.78/245,005.41
  6. Step 6: Final answer
    x = 101,187.05

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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.