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Finding the Fourth Proportional to 118,473.74, 177,719.77 and 39,588.24

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Solution

The fourth proportional to 118,473.74, 177,719.77 and 39,588.24 is: 59,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,473.74 : 177,719.77 = 39,588.24 : x
  2. Step 2: Convert to fraction form
    118,473.74/177,719.77 = 39,588.24/x
  3. Step 3: Cross multiply
    118,473.74x = 177,719.77 × 39,588.24
  4. Step 4: Simplify right side
    118,473.74x = 7,035,612,907.50
  5. Step 5: Solve for x
    x = 7,035,612,907.50/118,473.74
  6. Step 6: Final answer
    x = 59,385.42

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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.