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Finding the Fourth Proportional to 185,950.17, 278,922.78 and 45,710.01

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Solution

The fourth proportional to 185,950.17, 278,922.78 and 45,710.01 is: 68,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,950.17 : 278,922.78 = 45,710.01 : x
  2. Step 2: Convert to fraction form
    185,950.17/278,922.78 = 45,710.01/x
  3. Step 3: Cross multiply
    185,950.17x = 278,922.78 × 45,710.01
  4. Step 4: Simplify right side
    185,950.17x = 12,749,563,063.03
  5. Step 5: Solve for x
    x = 12,749,563,063.03/185,950.17
  6. Step 6: Final answer
    x = 68,564.41

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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.