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Finding the Fourth Proportional to 248,432.88, 342,820.08 and 141,005.10

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Solution

The fourth proportional to 248,432.88, 342,820.08 and 141,005.10 is: 194,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,432.88 : 342,820.08 = 141,005.10 : x
  2. Step 2: Convert to fraction form
    248,432.88/342,820.08 = 141,005.10/x
  3. Step 3: Cross multiply
    248,432.88x = 342,820.08 × 141,005.10
  4. Step 4: Simplify right side
    248,432.88x = 48,339,379,662.41
  5. Step 5: Solve for x
    x = 48,339,379,662.41/248,432.88
  6. Step 6: Final answer
    x = 194,577.22

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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.