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Finding the Fourth Proportional to 376,921.62, 565,465.77 and 124,191.90

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Solution

The fourth proportional to 376,921.62, 565,465.77 and 124,191.90 is: 186,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,921.62 : 565,465.77 = 124,191.90 : x
  2. Step 2: Convert to fraction form
    376,921.62/565,465.77 = 124,191.90/x
  3. Step 3: Cross multiply
    376,921.62x = 565,465.77 × 124,191.90
  4. Step 4: Simplify right side
    376,921.62x = 70,226,268,361.26
  5. Step 5: Solve for x
    x = 70,226,268,361.26/376,921.62
  6. Step 6: Final answer
    x = 186,315.31

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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.