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Finding the Fourth Proportional to 63,855.84, 88,050.60 and 43,716

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Solution

The fourth proportional to 63,855.84, 88,050.60 and 43,716 is: 60,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,855.84 : 88,050.60 = 43,716 : x
  2. Step 2: Convert to fraction form
    63,855.84/88,050.60 = 43,716/x
  3. Step 3: Cross multiply
    63,855.84x = 88,050.60 × 43,716
  4. Step 4: Simplify right side
    63,855.84x = 3,849,220,029.60
  5. Step 5: Solve for x
    x = 3,849,220,029.60/63,855.84
  6. Step 6: Final answer
    x = 60,279.84

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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.