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Finding the Fourth Proportional to 158,987.80, 238,044.30 and 151,114.60

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Solution

The fourth proportional to 158,987.80, 238,044.30 and 151,114.60 is: 226,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,987.80 : 238,044.30 = 151,114.60 : x
  2. Step 2: Convert to fraction form
    158,987.80/238,044.30 = 151,114.60/x
  3. Step 3: Cross multiply
    158,987.80x = 238,044.30 × 151,114.60
  4. Step 4: Simplify right side
    158,987.80x = 35,971,969,176.78
  5. Step 5: Solve for x
    x = 35,971,969,176.78/158,987.80
  6. Step 6: Final answer
    x = 226,256.16

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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.