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Finding the Fourth Proportional to 282,805.37, 424,117.89 and 93,230.40

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Solution

The fourth proportional to 282,805.37, 424,117.89 and 93,230.40 is: 139,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,805.37 : 424,117.89 = 93,230.40 : x
  2. Step 2: Convert to fraction form
    282,805.37/424,117.89 = 93,230.40/x
  3. Step 3: Cross multiply
    282,805.37x = 424,117.89 × 93,230.40
  4. Step 4: Simplify right side
    282,805.37x = 39,540,680,531.86
  5. Step 5: Solve for x
    x = 39,540,680,531.86/282,805.37
  6. Step 6: Final answer
    x = 139,815.88

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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.