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Finding the Fourth Proportional to 282.58, 424.01 and 100.06

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Solution

The fourth proportional to 282.58, 424.01 and 100.06 is: 150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.58 : 424.01 = 100.06 : x
  2. Step 2: Convert to fraction form
    282.58/424.01 = 100.06/x
  3. Step 3: Cross multiply
    282.58x = 424.01 × 100.06
  4. Step 4: Simplify right side
    282.58x = 42,425.94
  5. Step 5: Solve for x
    x = 42,425.94/282.58
  6. Step 6: Final answer
    x = 150.14

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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.