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Finding the Fourth Proportional to 207.04, 310.52 and 70.08

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Solution

The fourth proportional to 207.04, 310.52 and 70.08 is: 105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.04 : 310.52 = 70.08 : x
  2. Step 2: Convert to fraction form
    207.04/310.52 = 70.08/x
  3. Step 3: Cross multiply
    207.04x = 310.52 × 70.08
  4. Step 4: Simplify right side
    207.04x = 21,761.24
  5. Step 5: Solve for x
    x = 21,761.24/207.04
  6. Step 6: Final answer
    x = 105.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.