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Finding the Fourth Proportional to 187,281.59, 280,950.36 and 68,943.93

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Solution

The fourth proportional to 187,281.59, 280,950.36 and 68,943.93 is: 103,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,281.59 : 280,950.36 = 68,943.93 : x
  2. Step 2: Convert to fraction form
    187,281.59/280,950.36 = 68,943.93/x
  3. Step 3: Cross multiply
    187,281.59x = 280,950.36 × 68,943.93
  4. Step 4: Simplify right side
    187,281.59x = 19,369,821,953.31
  5. Step 5: Solve for x
    x = 19,369,821,953.31/187,281.59
  6. Step 6: Final answer
    x = 103,426.19

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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.