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Finding the Fourth Proportional to 117,076.59, 161,565.71 and 63,362

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Solution

The fourth proportional to 117,076.59, 161,565.71 and 63,362 is: 87,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,076.59 : 161,565.71 = 63,362 : x
  2. Step 2: Convert to fraction form
    117,076.59/161,565.71 = 63,362/x
  3. Step 3: Cross multiply
    117,076.59x = 161,565.71 × 63,362
  4. Step 4: Simplify right side
    117,076.59x = 10,237,126,517.02
  5. Step 5: Solve for x
    x = 10,237,126,517.02/117,076.59
  6. Step 6: Final answer
    x = 87,439.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.