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Finding the Fourth Proportional to 88,277.50, 121,822.95 and 48,533.50

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Solution

The fourth proportional to 88,277.50, 121,822.95 and 48,533.50 is: 66,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,277.50 : 121,822.95 = 48,533.50 : x
  2. Step 2: Convert to fraction form
    88,277.50/121,822.95 = 48,533.50/x
  3. Step 3: Cross multiply
    88,277.50x = 121,822.95 × 48,533.50
  4. Step 4: Simplify right side
    88,277.50x = 5,912,494,143.83
  5. Step 5: Solve for x
    x = 5,912,494,143.83/88,277.50
  6. Step 6: Final answer
    x = 66,976.23

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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.