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Finding the Fourth Proportional to 282,712.70, 424,069.05 and 95,724.20

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Solution

The fourth proportional to 282,712.70, 424,069.05 and 95,724.20 is: 143,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,712.70 : 424,069.05 = 95,724.20 : x
  2. Step 2: Convert to fraction form
    282,712.70/424,069.05 = 95,724.20/x
  3. Step 3: Cross multiply
    282,712.70x = 424,069.05 × 95,724.20
  4. Step 4: Simplify right side
    282,712.70x = 40,593,670,556.01
  5. Step 5: Solve for x
    x = 40,593,670,556.01/282,712.70
  6. Step 6: Final answer
    x = 143,586.30

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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.