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Finding the Fourth Proportional to 111,662.20, 154,094.81 and 60,674.93

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Solution

The fourth proportional to 111,662.20, 154,094.81 and 60,674.93 is: 83,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,662.20 : 154,094.81 = 60,674.93 : x
  2. Step 2: Convert to fraction form
    111,662.20/154,094.81 = 60,674.93/x
  3. Step 3: Cross multiply
    111,662.20x = 154,094.81 × 60,674.93
  4. Step 4: Simplify right side
    111,662.20x = 9,349,692,124.49
  5. Step 5: Solve for x
    x = 9,349,692,124.49/111,662.20
  6. Step 6: Final answer
    x = 83,731.93

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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.