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Finding the Fourth Proportional to 111,442.62, 153,750.45 and 73,222.74

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Solution

The fourth proportional to 111,442.62, 153,750.45 and 73,222.74 is: 101,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,442.62 : 153,750.45 = 73,222.74 : x
  2. Step 2: Convert to fraction form
    111,442.62/153,750.45 = 73,222.74/x
  3. Step 3: Cross multiply
    111,442.62x = 153,750.45 × 73,222.74
  4. Step 4: Simplify right side
    111,442.62x = 11,258,029,932.24
  5. Step 5: Solve for x
    x = 11,258,029,932.24/111,442.62
  6. Step 6: Final answer
    x = 101,020.87

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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.