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Finding the Fourth Proportional to 237.95, 357.08 and 100.99

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Solution

The fourth proportional to 237.95, 357.08 and 100.99 is: 151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.95 : 357.08 = 100.99 : x
  2. Step 2: Convert to fraction form
    237.95/357.08 = 100.99/x
  3. Step 3: Cross multiply
    237.95x = 357.08 × 100.99
  4. Step 4: Simplify right side
    237.95x = 36,061.00
  5. Step 5: Solve for x
    x = 36,061.00/237.95
  6. Step 6: Final answer
    x = 151.55

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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.