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Finding the Fourth Proportional to 260.64, 359.70 and 150.13

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Solution

The fourth proportional to 260.64, 359.70 and 150.13 is: 207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.64 : 359.70 = 150.13 : x
  2. Step 2: Convert to fraction form
    260.64/359.70 = 150.13/x
  3. Step 3: Cross multiply
    260.64x = 359.70 × 150.13
  4. Step 4: Simplify right side
    260.64x = 54,001.76
  5. Step 5: Solve for x
    x = 54,001.76/260.64
  6. Step 6: Final answer
    x = 207.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.