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Finding the Fourth Proportional to 73,322.55, 109,819.80 and 60,200.55

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Solution

The fourth proportional to 73,322.55, 109,819.80 and 60,200.55 is: 90,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,322.55 : 109,819.80 = 60,200.55 : x
  2. Step 2: Convert to fraction form
    73,322.55/109,819.80 = 60,200.55/x
  3. Step 3: Cross multiply
    73,322.55x = 109,819.80 × 60,200.55
  4. Step 4: Simplify right side
    73,322.55x = 6,611,212,360.89
  5. Step 5: Solve for x
    x = 6,611,212,360.89/73,322.55
  6. Step 6: Final answer
    x = 90,166.15

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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.