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Finding the Fourth Proportional to 282,690.60, 424,035.90 and 93,150.60

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Solution

The fourth proportional to 282,690.60, 424,035.90 and 93,150.60 is: 139,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,690.60 : 424,035.90 = 93,150.60 : x
  2. Step 2: Convert to fraction form
    282,690.60/424,035.90 = 93,150.60/x
  3. Step 3: Cross multiply
    282,690.60x = 424,035.90 × 93,150.60
  4. Step 4: Simplify right side
    282,690.60x = 39,499,198,506.54
  5. Step 5: Solve for x
    x = 39,499,198,506.54/282,690.60
  6. Step 6: Final answer
    x = 139,725.90

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1.5x scale

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.