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Finding the Fourth Proportional to 88,255.92, 121,791 and 50,526.96

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Solution

The fourth proportional to 88,255.92, 121,791 and 50,526.96 is: 69,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.92 : 121,791 = 50,526.96 : x
  2. Step 2: Convert to fraction form
    88,255.92/121,791 = 50,526.96/x
  3. Step 3: Cross multiply
    88,255.92x = 121,791 × 50,526.96
  4. Step 4: Simplify right side
    88,255.92x = 6,153,728,985.36
  5. Step 5: Solve for x
    x = 6,153,728,985.36/88,255.92
  6. Step 6: Final answer
    x = 69,725.96

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1.5x scale

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.