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Finding the Fourth Proportional to 248,587.22, 343,040.68 and 151,952.88

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Solution

The fourth proportional to 248,587.22, 343,040.68 and 151,952.88 is: 209,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,587.22 : 343,040.68 = 151,952.88 : x
  2. Step 2: Convert to fraction form
    248,587.22/343,040.68 = 151,952.88/x
  3. Step 3: Cross multiply
    248,587.22x = 343,040.68 × 151,952.88
  4. Step 4: Simplify right side
    248,587.22x = 52,126,019,283.16
  5. Step 5: Solve for x
    x = 52,126,019,283.16/248,587.22
  6. Step 6: Final answer
    x = 209,689.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.