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Finding the Fourth Proportional to 60,166.80, 90,225.36 and 22,720.50

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Solution

The fourth proportional to 60,166.80, 90,225.36 and 22,720.50 is: 34,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,166.80 : 90,225.36 = 22,720.50 : x
  2. Step 2: Convert to fraction form
    60,166.80/90,225.36 = 22,720.50/x
  3. Step 3: Cross multiply
    60,166.80x = 90,225.36 × 22,720.50
  4. Step 4: Simplify right side
    60,166.80x = 2,049,965,291.88
  5. Step 5: Solve for x
    x = 2,049,965,291.88/60,166.80
  6. Step 6: Final answer
    x = 34,071.37

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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.