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Finding the Fourth Proportional to 143,281.80, 214,922.70 and 110,065.80

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Solution

The fourth proportional to 143,281.80, 214,922.70 and 110,065.80 is: 165,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,281.80 : 214,922.70 = 110,065.80 : x
  2. Step 2: Convert to fraction form
    143,281.80/214,922.70 = 110,065.80/x
  3. Step 3: Cross multiply
    143,281.80x = 214,922.70 × 110,065.80
  4. Step 4: Simplify right side
    143,281.80x = 23,655,638,913.66
  5. Step 5: Solve for x
    x = 23,655,638,913.66/143,281.80
  6. Step 6: Final answer
    x = 165,098.70

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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.