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Finding the Fourth Proportional to 111,657.88, 154,094.77 and 63,910.14

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Solution

The fourth proportional to 111,657.88, 154,094.77 and 63,910.14 is: 88,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,657.88 : 154,094.77 = 63,910.14 : x
  2. Step 2: Convert to fraction form
    111,657.88/154,094.77 = 63,910.14/x
  3. Step 3: Cross multiply
    111,657.88x = 154,094.77 × 63,910.14
  4. Step 4: Simplify right side
    111,657.88x = 9,848,218,323.97
  5. Step 5: Solve for x
    x = 9,848,218,323.97/111,657.88
  6. Step 6: Final answer
    x = 88,199.94

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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.