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Finding the Fourth Proportional to 124,603, 186,935.69 and 35,854.54

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Solution

The fourth proportional to 124,603, 186,935.69 and 35,854.54 is: 53,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,603 : 186,935.69 = 35,854.54 : x
  2. Step 2: Convert to fraction form
    124,603/186,935.69 = 35,854.54/x
  3. Step 3: Cross multiply
    124,603x = 186,935.69 × 35,854.54
  4. Step 4: Simplify right side
    124,603x = 6,702,493,174.53
  5. Step 5: Solve for x
    x = 6,702,493,174.53/124,603
  6. Step 6: Final answer
    x = 53,790.78

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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.