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Finding the Fourth Proportional to 242,679, 364,090.32 and 124,433.31

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Solution

The fourth proportional to 242,679, 364,090.32 and 124,433.31 is: 186,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,679 : 364,090.32 = 124,433.31 : x
  2. Step 2: Convert to fraction form
    242,679/364,090.32 = 124,433.31/x
  3. Step 3: Cross multiply
    242,679x = 364,090.32 × 124,433.31
  4. Step 4: Simplify right side
    242,679x = 45,304,963,656.56
  5. Step 5: Solve for x
    x = 45,304,963,656.56/242,679
  6. Step 6: Final answer
    x = 186,686.79

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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.