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Finding the Fourth Proportional to 185,925.74, 278,777.72 and 73,622.07

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Solution

The fourth proportional to 185,925.74, 278,777.72 and 73,622.07 is: 110,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,925.74 : 278,777.72 = 73,622.07 : x
  2. Step 2: Convert to fraction form
    185,925.74/278,777.72 = 73,622.07/x
  3. Step 3: Cross multiply
    185,925.74x = 278,777.72 × 73,622.07
  4. Step 4: Simplify right side
    185,925.74x = 20,524,192,448.17
  5. Step 5: Solve for x
    x = 20,524,192,448.17/185,925.74
  6. Step 6: Final answer
    x = 110,389.20

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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.