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Finding the Fourth Proportional to 117,097.66, 161,595.17 and 63,382.66

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Solution

The fourth proportional to 117,097.66, 161,595.17 and 63,382.66 is: 87,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,097.66 : 161,595.17 = 63,382.66 : x
  2. Step 2: Convert to fraction form
    117,097.66/161,595.17 = 63,382.66/x
  3. Step 3: Cross multiply
    117,097.66x = 161,595.17 × 63,382.66
  4. Step 4: Simplify right side
    117,097.66x = 10,242,331,234.54
  5. Step 5: Solve for x
    x = 10,242,331,234.54/117,097.66
  6. Step 6: Final answer
    x = 87,468.29

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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.