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Finding the Fourth Proportional to 282,697.09, 424,189.15 and 187,993.15

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Solution

The fourth proportional to 282,697.09, 424,189.15 and 187,993.15 is: 282,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,697.09 : 424,189.15 = 187,993.15 : x
  2. Step 2: Convert to fraction form
    282,697.09/424,189.15 = 187,993.15/x
  3. Step 3: Cross multiply
    282,697.09x = 424,189.15 × 187,993.15
  4. Step 4: Simplify right side
    282,697.09x = 79,744,656,417.39
  5. Step 5: Solve for x
    x = 79,744,656,417.39/282,697.09
  6. Step 6: Final answer
    x = 282,085.17

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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.