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Finding the Fourth Proportional to 117,264.53, 161,825.19 and 63,549.55

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Solution

The fourth proportional to 117,264.53, 161,825.19 and 63,549.55 is: 87,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,264.53 : 161,825.19 = 63,549.55 : x
  2. Step 2: Convert to fraction form
    117,264.53/161,825.19 = 63,549.55/x
  3. Step 3: Cross multiply
    117,264.53x = 161,825.19 × 63,549.55
  4. Step 4: Simplify right side
    117,264.53x = 10,283,917,414.33
  5. Step 5: Solve for x
    x = 10,283,917,414.33/117,264.53
  6. Step 6: Final answer
    x = 87,698.45

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1.5x scale

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.