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Finding the Fourth Proportional to 95,551.82, 143,308.89 and 90,810.08

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Solution

The fourth proportional to 95,551.82, 143,308.89 and 90,810.08 is: 136,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,551.82 : 143,308.89 = 90,810.08 : x
  2. Step 2: Convert to fraction form
    95,551.82/143,308.89 = 90,810.08/x
  3. Step 3: Cross multiply
    95,551.82x = 143,308.89 × 90,810.08
  4. Step 4: Simplify right side
    95,551.82x = 13,013,891,049.07
  5. Step 5: Solve for x
    x = 13,013,891,049.07/95,551.82
  6. Step 6: Final answer
    x = 136,197.21

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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.