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Finding the Fourth Proportional to 122,225.40, 183,338.10 and 101,230.20

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Solution

The fourth proportional to 122,225.40, 183,338.10 and 101,230.20 is: 151,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,225.40 : 183,338.10 = 101,230.20 : x
  2. Step 2: Convert to fraction form
    122,225.40/183,338.10 = 101,230.20/x
  3. Step 3: Cross multiply
    122,225.40x = 183,338.10 × 101,230.20
  4. Step 4: Simplify right side
    122,225.40x = 18,559,352,530.62
  5. Step 5: Solve for x
    x = 18,559,352,530.62/122,225.40
  6. Step 6: Final answer
    x = 151,845.30

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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.