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Finding the Fourth Proportional to 372,758.94, 559,138.40 and 92,276.18

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Solution

The fourth proportional to 372,758.94, 559,138.40 and 92,276.18 is: 138,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,758.94 : 559,138.40 = 92,276.18 : x
  2. Step 2: Convert to fraction form
    372,758.94/559,138.40 = 92,276.18/x
  3. Step 3: Cross multiply
    372,758.94x = 559,138.40 × 92,276.18
  4. Step 4: Simplify right side
    372,758.94x = 51,595,155,643.31
  5. Step 5: Solve for x
    x = 51,595,155,643.31/372,758.94
  6. Step 6: Final answer
    x = 138,414.27

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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.