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Finding the Fourth Proportional to 376,453, 564,686.80 and 92,146.04

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Solution

The fourth proportional to 376,453, 564,686.80 and 92,146.04 is: 138,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,453 : 564,686.80 = 92,146.04 : x
  2. Step 2: Convert to fraction form
    376,453/564,686.80 = 92,146.04/x
  3. Step 3: Cross multiply
    376,453x = 564,686.80 × 92,146.04
  4. Step 4: Simplify right side
    376,453x = 52,033,652,460.27
  5. Step 5: Solve for x
    x = 52,033,652,460.27/376,453
  6. Step 6: Final answer
    x = 138,220.85

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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.