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Finding the Fourth Proportional to 92,506.80, 138,760.88 and 22,386.11

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Solution

The fourth proportional to 92,506.80, 138,760.88 and 22,386.11 is: 33,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,506.80 : 138,760.88 = 22,386.11 : x
  2. Step 2: Convert to fraction form
    92,506.80/138,760.88 = 22,386.11/x
  3. Step 3: Cross multiply
    92,506.80x = 138,760.88 × 22,386.11
  4. Step 4: Simplify right side
    92,506.80x = 3,106,316,323.38
  5. Step 5: Solve for x
    x = 3,106,316,323.38/92,506.80
  6. Step 6: Final answer
    x = 33,579.33

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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.