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Finding the Fourth Proportional to 124,124.86, 185,952.36 and 73,371.93

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Solution

The fourth proportional to 124,124.86, 185,952.36 and 73,371.93 is: 109,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,124.86 : 185,952.36 = 73,371.93 : x
  2. Step 2: Convert to fraction form
    124,124.86/185,952.36 = 73,371.93/x
  3. Step 3: Cross multiply
    124,124.86x = 185,952.36 × 73,371.93
  4. Step 4: Simplify right side
    124,124.86x = 13,643,682,706.36
  5. Step 5: Solve for x
    x = 13,643,682,706.36/124,124.86
  6. Step 6: Final answer
    x = 109,919.02

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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.