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Finding the Fourth Proportional to 185,483.19, 278,037.87 and 73,119.92

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Solution

The fourth proportional to 185,483.19, 278,037.87 and 73,119.92 is: 109,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,483.19 : 278,037.87 = 73,119.92 : x
  2. Step 2: Convert to fraction form
    185,483.19/278,037.87 = 73,119.92/x
  3. Step 3: Cross multiply
    185,483.19x = 278,037.87 × 73,119.92
  4. Step 4: Simplify right side
    185,483.19x = 20,330,106,463.82
  5. Step 5: Solve for x
    x = 20,330,106,463.82/185,483.19
  6. Step 6: Final answer
    x = 109,606.19

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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.