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Finding the Fourth Proportional to 99,888.82, 149,805.12 and 27,825.34

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Solution

The fourth proportional to 99,888.82, 149,805.12 and 27,825.34 is: 41,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,888.82 : 149,805.12 = 27,825.34 : x
  2. Step 2: Convert to fraction form
    99,888.82/149,805.12 = 27,825.34/x
  3. Step 3: Cross multiply
    99,888.82x = 149,805.12 × 27,825.34
  4. Step 4: Simplify right side
    99,888.82x = 4,168,378,397.74
  5. Step 5: Solve for x
    x = 4,168,378,397.74/99,888.82
  6. Step 6: Final answer
    x = 41,730.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.