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Finding the Fourth Proportional to 88,498.66, 122,127.67 and 48,212.33

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Solution

The fourth proportional to 88,498.66, 122,127.67 and 48,212.33 is: 66,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,498.66 : 122,127.67 = 48,212.33 : x
  2. Step 2: Convert to fraction form
    88,498.66/122,127.67 = 48,212.33/x
  3. Step 3: Cross multiply
    88,498.66x = 122,127.67 × 48,212.33
  4. Step 4: Simplify right side
    88,498.66x = 5,888,058,977.80
  5. Step 5: Solve for x
    x = 5,888,058,977.80/88,498.66
  6. Step 6: Final answer
    x = 66,532.75

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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.