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Finding the Fourth Proportional to 292.01, 437.90 and 118.63

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Solution

The fourth proportional to 292.01, 437.90 and 118.63 is: 177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.01 : 437.90 = 118.63 : x
  2. Step 2: Convert to fraction form
    292.01/437.90 = 118.63/x
  3. Step 3: Cross multiply
    292.01x = 437.90 × 118.63
  4. Step 4: Simplify right side
    292.01x = 51,948.52
  5. Step 5: Solve for x
    x = 51,948.52/292.01
  6. Step 6: Final answer
    x = 177.90

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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.