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Finding the Fourth Proportional to 118,027.32, 177,093.31 and 61,854.08

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Solution

The fourth proportional to 118,027.32, 177,093.31 and 61,854.08 is: 92,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,027.32 : 177,093.31 = 61,854.08 : x
  2. Step 2: Convert to fraction form
    118,027.32/177,093.31 = 61,854.08/x
  3. Step 3: Cross multiply
    118,027.32x = 177,093.31 × 61,854.08
  4. Step 4: Simplify right side
    118,027.32x = 10,953,942,878.74
  5. Step 5: Solve for x
    x = 10,953,942,878.74/118,027.32
  6. Step 6: Final answer
    x = 92,808.54

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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.