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Finding the Fourth Proportional to 239,987.71, 359,767.65 and 113,549.04

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Solution

The fourth proportional to 239,987.71, 359,767.65 and 113,549.04 is: 170,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,987.71 : 359,767.65 = 113,549.04 : x
  2. Step 2: Convert to fraction form
    239,987.71/359,767.65 = 113,549.04/x
  3. Step 3: Cross multiply
    239,987.71x = 359,767.65 × 113,549.04
  4. Step 4: Simplify right side
    239,987.71x = 40,851,271,387.01
  5. Step 5: Solve for x
    x = 40,851,271,387.01/239,987.71
  6. Step 6: Final answer
    x = 170,222.35

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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.