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Finding the Fourth Proportional to 183,699.70, 275,292.92 and 99,277.86

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Solution

The fourth proportional to 183,699.70, 275,292.92 and 99,277.86 is: 148,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,699.70 : 275,292.92 = 99,277.86 : x
  2. Step 2: Convert to fraction form
    183,699.70/275,292.92 = 99,277.86/x
  3. Step 3: Cross multiply
    183,699.70x = 275,292.92 × 99,277.86
  4. Step 4: Simplify right side
    183,699.70x = 27,330,490,097.90
  5. Step 5: Solve for x
    x = 27,330,490,097.90/183,699.70
  6. Step 6: Final answer
    x = 148,778.09

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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.