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Finding the Fourth Proportional to 235.95, 354.02 and 106.06

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Solution

The fourth proportional to 235.95, 354.02 and 106.06 is: 159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.95 : 354.02 = 106.06 : x
  2. Step 2: Convert to fraction form
    235.95/354.02 = 106.06/x
  3. Step 3: Cross multiply
    235.95x = 354.02 × 106.06
  4. Step 4: Simplify right side
    235.95x = 37,547.36
  5. Step 5: Solve for x
    x = 37,547.36/235.95
  6. Step 6: Final answer
    x = 159.13

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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.