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Finding the Fourth Proportional to 220,628.34, 330,887.84 and 62,858.16

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Solution

The fourth proportional to 220,628.34, 330,887.84 and 62,858.16 is: 94,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,628.34 : 330,887.84 = 62,858.16 : x
  2. Step 2: Convert to fraction form
    220,628.34/330,887.84 = 62,858.16/x
  3. Step 3: Cross multiply
    220,628.34x = 330,887.84 × 62,858.16
  4. Step 4: Simplify right side
    220,628.34x = 20,799,000,788.77
  5. Step 5: Solve for x
    x = 20,799,000,788.77/220,628.34
  6. Step 6: Final answer
    x = 94,271.66

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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.