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Finding the Fourth Proportional to 111,093.62, 153,305.39 and 63,362.35

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Solution

The fourth proportional to 111,093.62, 153,305.39 and 63,362.35 is: 87,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,093.62 : 153,305.39 = 63,362.35 : x
  2. Step 2: Convert to fraction form
    111,093.62/153,305.39 = 63,362.35/x
  3. Step 3: Cross multiply
    111,093.62x = 153,305.39 × 63,362.35
  4. Step 4: Simplify right side
    111,093.62x = 9,713,788,694.73
  5. Step 5: Solve for x
    x = 9,713,788,694.73/111,093.62
  6. Step 6: Final answer
    x = 87,437.86

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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.