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Finding the Fourth Proportional to 118,473.64, 177,719.63 and 39,588.14

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Solution

The fourth proportional to 118,473.64, 177,719.63 and 39,588.14 is: 59,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,473.64 : 177,719.63 = 39,588.14 : x
  2. Step 2: Convert to fraction form
    118,473.64/177,719.63 = 39,588.14/x
  3. Step 3: Cross multiply
    118,473.64x = 177,719.63 × 39,588.14
  4. Step 4: Simplify right side
    118,473.64x = 7,035,589,593.19
  5. Step 5: Solve for x
    x = 7,035,589,593.19/118,473.64
  6. Step 6: Final answer
    x = 59,385.27

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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.