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Finding the Fourth Proportional to 111,606.83, 154,019.04 and 60,619.76

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Solution

The fourth proportional to 111,606.83, 154,019.04 and 60,619.76 is: 83,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,606.83 : 154,019.04 = 60,619.76 : x
  2. Step 2: Convert to fraction form
    111,606.83/154,019.04 = 60,619.76/x
  3. Step 3: Cross multiply
    111,606.83x = 154,019.04 × 60,619.76
  4. Step 4: Simplify right side
    111,606.83x = 9,336,597,240.23
  5. Step 5: Solve for x
    x = 9,336,597,240.23/111,606.83
  6. Step 6: Final answer
    x = 83,656.15

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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.