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Finding the Fourth Proportional to 185,893.60, 278,849.04 and 61,235.68

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Solution

The fourth proportional to 185,893.60, 278,849.04 and 61,235.68 is: 91,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,893.60 : 278,849.04 = 61,235.68 : x
  2. Step 2: Convert to fraction form
    185,893.60/278,849.04 = 61,235.68/x
  3. Step 3: Cross multiply
    185,893.60x = 278,849.04 × 61,235.68
  4. Step 4: Simplify right side
    185,893.60x = 17,075,510,581.75
  5. Step 5: Solve for x
    x = 17,075,510,581.75/185,893.60
  6. Step 6: Final answer
    x = 91,856.37

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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.