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Finding the Fourth Proportional to 115,690.48, 173,491.92 and 63,071.32

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Solution

The fourth proportional to 115,690.48, 173,491.92 and 63,071.32 is: 94,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,690.48 : 173,491.92 = 63,071.32 : x
  2. Step 2: Convert to fraction form
    115,690.48/173,491.92 = 63,071.32/x
  3. Step 3: Cross multiply
    115,690.48x = 173,491.92 × 63,071.32
  4. Step 4: Simplify right side
    115,690.48x = 10,942,364,403.73
  5. Step 5: Solve for x
    x = 10,942,364,403.73/115,690.48
  6. Step 6: Final answer
    x = 94,583.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.