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Finding the Fourth Proportional to 212,652.68, 319,046.76 and 62,893.88

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Solution

The fourth proportional to 212,652.68, 319,046.76 and 62,893.88 is: 94,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,652.68 : 319,046.76 = 62,893.88 : x
  2. Step 2: Convert to fraction form
    212,652.68/319,046.76 = 62,893.88/x
  3. Step 3: Cross multiply
    212,652.68x = 319,046.76 × 62,893.88
  4. Step 4: Simplify right side
    212,652.68x = 20,066,088,637.83
  5. Step 5: Solve for x
    x = 20,066,088,637.83/212,652.68
  6. Step 6: Final answer
    x = 94,360.85

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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.