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Finding the Fourth Proportional to 124,033.66, 186,067.83 and 39,774.01

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Solution

The fourth proportional to 124,033.66, 186,067.83 and 39,774.01 is: 59,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,033.66 : 186,067.83 = 39,774.01 : x
  2. Step 2: Convert to fraction form
    124,033.66/186,067.83 = 39,774.01/x
  3. Step 3: Cross multiply
    124,033.66x = 186,067.83 × 39,774.01
  4. Step 4: Simplify right side
    124,033.66x = 7,400,663,731.10
  5. Step 5: Solve for x
    x = 7,400,663,731.10/124,033.66
  6. Step 6: Final answer
    x = 59,666.58

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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.