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Finding the Fourth Proportional to 242,677, 364,087.32 and 124,431.31

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Solution

The fourth proportional to 242,677, 364,087.32 and 124,431.31 is: 186,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,677 : 364,087.32 = 124,431.31 : x
  2. Step 2: Convert to fraction form
    242,677/364,087.32 = 124,431.31/x
  3. Step 3: Cross multiply
    242,677x = 364,087.32 × 124,431.31
  4. Step 4: Simplify right side
    242,677x = 45,303,862,181.99
  5. Step 5: Solve for x
    x = 45,303,862,181.99/242,677
  6. Step 6: Final answer
    x = 186,683.79

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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.