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Finding the Fourth Proportional to 170,048.80, 255,073.20 and 114,061.60

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Solution

The fourth proportional to 170,048.80, 255,073.20 and 114,061.60 is: 171,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,048.80 : 255,073.20 = 114,061.60 : x
  2. Step 2: Convert to fraction form
    170,048.80/255,073.20 = 114,061.60/x
  3. Step 3: Cross multiply
    170,048.80x = 255,073.20 × 114,061.60
  4. Step 4: Simplify right side
    170,048.80x = 29,094,057,309.12
  5. Step 5: Solve for x
    x = 29,094,057,309.12/170,048.80
  6. Step 6: Final answer
    x = 171,092.40

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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.