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Finding the Fourth Proportional to 79,167.16, 118,750.74 and 32,401

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Solution

The fourth proportional to 79,167.16, 118,750.74 and 32,401 is: 48,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,167.16 : 118,750.74 = 32,401 : x
  2. Step 2: Convert to fraction form
    79,167.16/118,750.74 = 32,401/x
  3. Step 3: Cross multiply
    79,167.16x = 118,750.74 × 32,401
  4. Step 4: Simplify right side
    79,167.16x = 3,847,642,726.74
  5. Step 5: Solve for x
    x = 3,847,642,726.74/79,167.16
  6. Step 6: Final answer
    x = 48,601.50

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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.