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Finding the Fourth Proportional to 170,230.40, 255,345.60 and 151,859.60

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Solution

The fourth proportional to 170,230.40, 255,345.60 and 151,859.60 is: 227,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,230.40 : 255,345.60 = 151,859.60 : x
  2. Step 2: Convert to fraction form
    170,230.40/255,345.60 = 151,859.60/x
  3. Step 3: Cross multiply
    170,230.40x = 255,345.60 × 151,859.60
  4. Step 4: Simplify right side
    170,230.40x = 38,776,680,677.76
  5. Step 5: Solve for x
    x = 38,776,680,677.76/170,230.40
  6. Step 6: Final answer
    x = 227,789.40

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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.