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Finding the Fourth Proportional to 282,775.78, 424,152.60 and 95,787.28

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Solution

The fourth proportional to 282,775.78, 424,152.60 and 95,787.28 is: 143,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,775.78 : 424,152.60 = 95,787.28 : x
  2. Step 2: Convert to fraction form
    282,775.78/424,152.60 = 95,787.28/x
  3. Step 3: Cross multiply
    282,775.78x = 424,152.60 × 95,787.28
  4. Step 4: Simplify right side
    282,775.78x = 40,628,423,858.93
  5. Step 5: Solve for x
    x = 40,628,423,858.93/282,775.78
  6. Step 6: Final answer
    x = 143,677.17

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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.