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Finding the Fourth Proportional to 376,185.47, 563,881.48 and 123,399.95

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Solution

The fourth proportional to 376,185.47, 563,881.48 and 123,399.95 is: 184,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,185.47 : 563,881.48 = 123,399.95 : x
  2. Step 2: Convert to fraction form
    376,185.47/563,881.48 = 123,399.95/x
  3. Step 3: Cross multiply
    376,185.47x = 563,881.48 × 123,399.95
  4. Step 4: Simplify right side
    376,185.47x = 69,582,946,437.93
  5. Step 5: Solve for x
    x = 69,582,946,437.93/376,185.47
  6. Step 6: Final answer
    x = 184,969.79

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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.