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Finding the Fourth Proportional to 155,228.48, 232,836.24 and 44,420.48

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Solution

The fourth proportional to 155,228.48, 232,836.24 and 44,420.48 is: 66,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,228.48 : 232,836.24 = 44,420.48 : x
  2. Step 2: Convert to fraction form
    155,228.48/232,836.24 = 44,420.48/x
  3. Step 3: Cross multiply
    155,228.48x = 232,836.24 × 44,420.48
  4. Step 4: Simplify right side
    155,228.48x = 10,342,697,542.20
  5. Step 5: Solve for x
    x = 10,342,697,542.20/155,228.48
  6. Step 6: Final answer
    x = 66,628.87

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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.