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Finding the Fourth Proportional to 118,586.32, 177,795.60 and 59,379.52

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Solution

The fourth proportional to 118,586.32, 177,795.60 and 59,379.52 is: 89,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,586.32 : 177,795.60 = 59,379.52 : x
  2. Step 2: Convert to fraction form
    118,586.32/177,795.60 = 59,379.52/x
  3. Step 3: Cross multiply
    118,586.32x = 177,795.60 × 59,379.52
  4. Step 4: Simplify right side
    118,586.32x = 10,557,417,386.11
  5. Step 5: Solve for x
    x = 10,557,417,386.11/118,586.32
  6. Step 6: Final answer
    x = 89,027.28

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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.