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Finding the Fourth Proportional to 155,107.44, 232,661.28 and 49,926.40

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Solution

The fourth proportional to 155,107.44, 232,661.28 and 49,926.40 is: 74,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,107.44 : 232,661.28 = 49,926.40 : x
  2. Step 2: Convert to fraction form
    155,107.44/232,661.28 = 49,926.40/x
  3. Step 3: Cross multiply
    155,107.44x = 232,661.28 × 49,926.40
  4. Step 4: Simplify right side
    155,107.44x = 11,615,940,129.79
  5. Step 5: Solve for x
    x = 11,615,940,129.79/155,107.44
  6. Step 6: Final answer
    x = 74,889.64

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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.