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Finding the Fourth Proportional to 117,452.64, 162,083.80 and 63,736.32

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Solution

The fourth proportional to 117,452.64, 162,083.80 and 63,736.32 is: 87,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,452.64 : 162,083.80 = 63,736.32 : x
  2. Step 2: Convert to fraction form
    117,452.64/162,083.80 = 63,736.32/x
  3. Step 3: Cross multiply
    117,452.64x = 162,083.80 × 63,736.32
  4. Step 4: Simplify right side
    117,452.64x = 10,330,624,943.62
  5. Step 5: Solve for x
    x = 10,330,624,943.62/117,452.64
  6. Step 6: Final answer
    x = 87,955.66

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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.