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Finding the Fourth Proportional to 88,392.16, 122,026.32 and 68,203.68

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Solution

The fourth proportional to 88,392.16, 122,026.32 and 68,203.68 is: 94,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,392.16 : 122,026.32 = 68,203.68 : x
  2. Step 2: Convert to fraction form
    88,392.16/122,026.32 = 68,203.68/x
  3. Step 3: Cross multiply
    88,392.16x = 122,026.32 × 68,203.68
  4. Step 4: Simplify right side
    88,392.16x = 8,322,644,080.86
  5. Step 5: Solve for x
    x = 8,322,644,080.86/88,392.16
  6. Step 6: Final answer
    x = 94,155.91

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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.