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Finding the Fourth Proportional to 88,967.76, 122,074.14 and 88,131.84

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Solution

The fourth proportional to 88,967.76, 122,074.14 and 88,131.84 is: 120,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,967.76 : 122,074.14 = 88,131.84 : x
  2. Step 2: Convert to fraction form
    88,967.76/122,074.14 = 88,131.84/x
  3. Step 3: Cross multiply
    88,967.76x = 122,074.14 × 88,131.84
  4. Step 4: Simplify right side
    88,967.76x = 10,758,618,574.62
  5. Step 5: Solve for x
    x = 10,758,618,574.62/88,967.76
  6. Step 6: Final answer
    x = 120,927.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.