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Finding the Fourth Proportional to 212,362.24, 292,938 and 132,736

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Solution

The fourth proportional to 212,362.24, 292,938 and 132,736 is: 183,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,362.24 : 292,938 = 132,736 : x
  2. Step 2: Convert to fraction form
    212,362.24/292,938 = 132,736/x
  3. Step 3: Cross multiply
    212,362.24x = 292,938 × 132,736
  4. Step 4: Simplify right side
    212,362.24x = 38,883,418,368
  5. Step 5: Solve for x
    x = 38,883,418,368/212,362.24
  6. Step 6: Final answer
    x = 183,099.49

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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.