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Finding the Fourth Proportional to 282,951.70, 424,427.55 and 95,963.20

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Solution

The fourth proportional to 282,951.70, 424,427.55 and 95,963.20 is: 143,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,951.70 : 424,427.55 = 95,963.20 : x
  2. Step 2: Convert to fraction form
    282,951.70/424,427.55 = 95,963.20/x
  3. Step 3: Cross multiply
    282,951.70x = 424,427.55 × 95,963.20
  4. Step 4: Simplify right side
    282,951.70x = 40,729,425,866.16
  5. Step 5: Solve for x
    x = 40,729,425,866.16/282,951.70
  6. Step 6: Final answer
    x = 143,944.80

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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.