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Finding the Fourth Proportional to 146,742.30, 220,113.45 and 111,750.30

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Solution

The fourth proportional to 146,742.30, 220,113.45 and 111,750.30 is: 167,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,742.30 : 220,113.45 = 111,750.30 : x
  2. Step 2: Convert to fraction form
    146,742.30/220,113.45 = 111,750.30/x
  3. Step 3: Cross multiply
    146,742.30x = 220,113.45 × 111,750.30
  4. Step 4: Simplify right side
    146,742.30x = 24,597,744,071.54
  5. Step 5: Solve for x
    x = 24,597,744,071.54/146,742.30
  6. Step 6: Final answer
    x = 167,625.45

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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.