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Finding the Fourth Proportional to 212,754.89, 319,133.37 and 62,998.01

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Solution

The fourth proportional to 212,754.89, 319,133.37 and 62,998.01 is: 94,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,754.89 : 319,133.37 = 62,998.01 : x
  2. Step 2: Convert to fraction form
    212,754.89/319,133.37 = 62,998.01/x
  3. Step 3: Cross multiply
    212,754.89x = 319,133.37 × 62,998.01
  4. Step 4: Simplify right side
    212,754.89x = 20,104,765,638.93
  5. Step 5: Solve for x
    x = 20,104,765,638.93/212,754.89
  6. Step 6: Final answer
    x = 94,497.32

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1.5x scale

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.