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Finding the Fourth Proportional to 111,444.75, 153,753.39 and 73,224.87

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Solution

The fourth proportional to 111,444.75, 153,753.39 and 73,224.87 is: 101,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,444.75 : 153,753.39 = 73,224.87 : x
  2. Step 2: Convert to fraction form
    111,444.75/153,753.39 = 73,224.87/x
  3. Step 3: Cross multiply
    111,444.75x = 153,753.39 × 73,224.87
  4. Step 4: Simplify right side
    111,444.75x = 11,258,571,994.81
  5. Step 5: Solve for x
    x = 11,258,571,994.81/111,444.75
  6. Step 6: Final answer
    x = 101,023.80

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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.