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Finding the Fourth Proportional to 214.32, 295.86 and 127

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Solution

The fourth proportional to 214.32, 295.86 and 127 is: 175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.32 : 295.86 = 127 : x
  2. Step 2: Convert to fraction form
    214.32/295.86 = 127/x
  3. Step 3: Cross multiply
    214.32x = 295.86 × 127
  4. Step 4: Simplify right side
    214.32x = 37,574.22
  5. Step 5: Solve for x
    x = 37,574.22/214.32
  6. Step 6: Final answer
    x = 175.32

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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.