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Finding the Fourth Proportional to 117,310.32, 161,888.28 and 63,595.32

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Solution

The fourth proportional to 117,310.32, 161,888.28 and 63,595.32 is: 87,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,310.32 : 161,888.28 = 63,595.32 : x
  2. Step 2: Convert to fraction form
    117,310.32/161,888.28 = 63,595.32/x
  3. Step 3: Cross multiply
    117,310.32x = 161,888.28 × 63,595.32
  4. Step 4: Simplify right side
    117,310.32x = 10,295,336,970.85
  5. Step 5: Solve for x
    x = 10,295,336,970.85/117,310.32
  6. Step 6: Final answer
    x = 87,761.56

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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.