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Finding the Fourth Proportional to 111,781.74, 154,259.44 and 60,795.06

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Solution

The fourth proportional to 111,781.74, 154,259.44 and 60,795.06 is: 83,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,781.74 : 154,259.44 = 60,795.06 : x
  2. Step 2: Convert to fraction form
    111,781.74/154,259.44 = 60,795.06/x
  3. Step 3: Cross multiply
    111,781.74x = 154,259.44 × 60,795.06
  4. Step 4: Simplify right side
    111,781.74x = 9,378,211,910.37
  5. Step 5: Solve for x
    x = 9,378,211,910.37/111,781.74
  6. Step 6: Final answer
    x = 83,897.53

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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.