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Finding the Fourth Proportional to 170,153.62, 255,230.51 and 70,203.96

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Solution

The fourth proportional to 170,153.62, 255,230.51 and 70,203.96 is: 105,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,153.62 : 255,230.51 = 70,203.96 : x
  2. Step 2: Convert to fraction form
    170,153.62/255,230.51 = 70,203.96/x
  3. Step 3: Cross multiply
    170,153.62x = 255,230.51 × 70,203.96
  4. Step 4: Simplify right side
    170,153.62x = 17,918,192,514.82
  5. Step 5: Solve for x
    x = 17,918,192,514.82/170,153.62
  6. Step 6: Final answer
    x = 105,305.97

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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.