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Finding the Fourth Proportional to 292.08, 437.90 and 162.13

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Solution

The fourth proportional to 292.08, 437.90 and 162.13 is: 243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.08 : 437.90 = 162.13 : x
  2. Step 2: Convert to fraction form
    292.08/437.90 = 162.13/x
  3. Step 3: Cross multiply
    292.08x = 437.90 × 162.13
  4. Step 4: Simplify right side
    292.08x = 70,994.82
  5. Step 5: Solve for x
    x = 70,994.82/292.08
  6. Step 6: Final answer
    x = 243.06

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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.