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Finding the Fourth Proportional to 92,280.84, 138,421.30 and 25,722.68

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Solution

The fourth proportional to 92,280.84, 138,421.30 and 25,722.68 is: 38,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,280.84 : 138,421.30 = 25,722.68 : x
  2. Step 2: Convert to fraction form
    92,280.84/138,421.30 = 25,722.68/x
  3. Step 3: Cross multiply
    92,280.84x = 138,421.30 × 25,722.68
  4. Step 4: Simplify right side
    92,280.84x = 3,560,566,805.08
  5. Step 5: Solve for x
    x = 3,560,566,805.08/92,280.84
  6. Step 6: Final answer
    x = 38,584.03

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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.