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Finding the Fourth Proportional to 170,724.30, 255,625.65 and 170,724.30

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Solution

The fourth proportional to 170,724.30, 255,625.65 and 170,724.30 is: 255,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,724.30 : 255,625.65 = 170,724.30 : x
  2. Step 2: Convert to fraction form
    170,724.30/255,625.65 = 170,724.30/x
  3. Step 3: Cross multiply
    170,724.30x = 255,625.65 × 170,724.30
  4. Step 4: Simplify right side
    170,724.30x = 43,641,510,158.30
  5. Step 5: Solve for x
    x = 43,641,510,158.30/170,724.30
  6. Step 6: Final answer
    x = 255,625.65

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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.