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Finding the Fourth Proportional to 187,303.68, 280,993.92 and 62,645.76

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Solution

The fourth proportional to 187,303.68, 280,993.92 and 62,645.76 is: 93,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,303.68 : 280,993.92 = 62,645.76 : x
  2. Step 2: Convert to fraction form
    187,303.68/280,993.92 = 62,645.76/x
  3. Step 3: Cross multiply
    187,303.68x = 280,993.92 × 62,645.76
  4. Step 4: Simplify right side
    187,303.68x = 17,603,077,673.78
  5. Step 5: Solve for x
    x = 17,603,077,673.78/187,303.68
  6. Step 6: Final answer
    x = 93,981.48

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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.