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Finding the Fourth Proportional to 117,152.87, 161,670.60 and 63,437.85

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Solution

The fourth proportional to 117,152.87, 161,670.60 and 63,437.85 is: 87,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,152.87 : 161,670.60 = 63,437.85 : x
  2. Step 2: Convert to fraction form
    117,152.87/161,670.60 = 63,437.85/x
  3. Step 3: Cross multiply
    117,152.87x = 161,670.60 × 63,437.85
  4. Step 4: Simplify right side
    117,152.87x = 10,256,035,272.21
  5. Step 5: Solve for x
    x = 10,256,035,272.21/117,152.87
  6. Step 6: Final answer
    x = 87,544.04

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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.