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Finding the Fourth Proportional to 97,220.20, 145,830.30 and 73,600.60

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Solution

The fourth proportional to 97,220.20, 145,830.30 and 73,600.60 is: 110,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,220.20 : 145,830.30 = 73,600.60 : x
  2. Step 2: Convert to fraction form
    97,220.20/145,830.30 = 73,600.60/x
  3. Step 3: Cross multiply
    97,220.20x = 145,830.30 × 73,600.60
  4. Step 4: Simplify right side
    97,220.20x = 10,733,197,578.18
  5. Step 5: Solve for x
    x = 10,733,197,578.18/97,220.20
  6. Step 6: Final answer
    x = 110,400.90

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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.