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Finding the Fourth Proportional to 267,098.98, 368,614.38 and 153,929.02

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Solution

The fourth proportional to 267,098.98, 368,614.38 and 153,929.02 is: 212,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,098.98 : 368,614.38 = 153,929.02 : x
  2. Step 2: Convert to fraction form
    267,098.98/368,614.38 = 153,929.02/x
  3. Step 3: Cross multiply
    267,098.98x = 368,614.38 × 153,929.02
  4. Step 4: Simplify right side
    267,098.98x = 56,740,450,271.31
  5. Step 5: Solve for x
    x = 56,740,450,271.31/267,098.98
  6. Step 6: Final answer
    x = 212,432.30

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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.