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Finding the Fourth Proportional to 171,013.58, 255,268.04 and 150,813.40

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Solution

The fourth proportional to 171,013.58, 255,268.04 and 150,813.40 is: 225,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,013.58 : 255,268.04 = 150,813.40 : x
  2. Step 2: Convert to fraction form
    171,013.58/255,268.04 = 150,813.40/x
  3. Step 3: Cross multiply
    171,013.58x = 255,268.04 × 150,813.40
  4. Step 4: Simplify right side
    171,013.58x = 38,497,841,023.74
  5. Step 5: Solve for x
    x = 38,497,841,023.74/171,013.58
  6. Step 6: Final answer
    x = 225,115.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.