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Finding the Fourth Proportional to 88,649.64, 122,566.98 and 84,732.84

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Solution

The fourth proportional to 88,649.64, 122,566.98 and 84,732.84 is: 117,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.64 : 122,566.98 = 84,732.84 : x
  2. Step 2: Convert to fraction form
    88,649.64/122,566.98 = 84,732.84/x
  3. Step 3: Cross multiply
    88,649.64x = 122,566.98 × 84,732.84
  4. Step 4: Simplify right side
    88,649.64x = 10,385,448,305.62
  5. Step 5: Solve for x
    x = 10,385,448,305.62/88,649.64
  6. Step 6: Final answer
    x = 117,151.61

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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.