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Finding the Fourth Proportional to 212,672.39, 319,008.56 and 62,901.02

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Solution

The fourth proportional to 212,672.39, 319,008.56 and 62,901.02 is: 94,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,672.39 : 319,008.56 = 62,901.02 : x
  2. Step 2: Convert to fraction form
    212,672.39/319,008.56 = 62,901.02/x
  3. Step 3: Cross multiply
    212,672.39x = 319,008.56 × 62,901.02
  4. Step 4: Simplify right side
    212,672.39x = 20,065,961,903.18
  5. Step 5: Solve for x
    x = 20,065,961,903.18/212,672.39
  6. Step 6: Final answer
    x = 94,351.52

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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.