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Finding the Fourth Proportional to 150,547.20, 225,910.40 and 57,062.40

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Solution

The fourth proportional to 150,547.20, 225,910.40 and 57,062.40 is: 85,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,547.20 : 225,910.40 = 57,062.40 : x
  2. Step 2: Convert to fraction form
    150,547.20/225,910.40 = 57,062.40/x
  3. Step 3: Cross multiply
    150,547.20x = 225,910.40 × 57,062.40
  4. Step 4: Simplify right side
    150,547.20x = 12,890,989,608.96
  5. Step 5: Solve for x
    x = 12,890,989,608.96/150,547.20
  6. Step 6: Final answer
    x = 85,627.56

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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.