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Finding the Fourth Proportional to 114,009.60, 170,998.20 and 39,133.20

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Solution

The fourth proportional to 114,009.60, 170,998.20 and 39,133.20 is: 58,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,009.60 : 170,998.20 = 39,133.20 : x
  2. Step 2: Convert to fraction form
    114,009.60/170,998.20 = 39,133.20/x
  3. Step 3: Cross multiply
    114,009.60x = 170,998.20 × 39,133.20
  4. Step 4: Simplify right side
    114,009.60x = 6,691,706,760.24
  5. Step 5: Solve for x
    x = 6,691,706,760.24/114,009.60
  6. Step 6: Final answer
    x = 58,694.24

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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.