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Finding the Fourth Proportional to 88,262.50, 121,797.20 and 47,975.94

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Solution

The fourth proportional to 88,262.50, 121,797.20 and 47,975.94 is: 66,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,262.50 : 121,797.20 = 47,975.94 : x
  2. Step 2: Convert to fraction form
    88,262.50/121,797.20 = 47,975.94/x
  3. Step 3: Cross multiply
    88,262.50x = 121,797.20 × 47,975.94
  4. Step 4: Simplify right side
    88,262.50x = 5,843,335,159.37
  5. Step 5: Solve for x
    x = 5,843,335,159.37/88,262.50
  6. Step 6: Final answer
    x = 66,204.05

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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.