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Finding the Fourth Proportional to 292,065.93, 438,114.84 and 92,371.41

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Solution

The fourth proportional to 292,065.93, 438,114.84 and 92,371.41 is: 138,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,065.93 : 438,114.84 = 92,371.41 : x
  2. Step 2: Convert to fraction form
    292,065.93/438,114.84 = 92,371.41/x
  3. Step 3: Cross multiply
    292,065.93x = 438,114.84 × 92,371.41
  4. Step 4: Simplify right side
    292,065.93x = 40,469,286,528.43
  5. Step 5: Solve for x
    x = 40,469,286,528.43/292,065.93
  6. Step 6: Final answer
    x = 138,562.16

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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.