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Finding the Fourth Proportional to 118,484.66, 177,723.30 and 39,599.54

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Solution

The fourth proportional to 118,484.66, 177,723.30 and 39,599.54 is: 59,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,484.66 : 177,723.30 = 39,599.54 : x
  2. Step 2: Convert to fraction form
    118,484.66/177,723.30 = 39,599.54/x
  3. Step 3: Cross multiply
    118,484.66x = 177,723.30 × 39,599.54
  4. Step 4: Simplify right side
    118,484.66x = 7,037,760,927.28
  5. Step 5: Solve for x
    x = 7,037,760,927.28/118,484.66
  6. Step 6: Final answer
    x = 59,398.08

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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.