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Finding the Fourth Proportional to 84,951.30, 117,230.30 and 46,710.81

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Solution

The fourth proportional to 84,951.30, 117,230.30 and 46,710.81 is: 64,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,951.30 : 117,230.30 = 46,710.81 : x
  2. Step 2: Convert to fraction form
    84,951.30/117,230.30 = 46,710.81/x
  3. Step 3: Cross multiply
    84,951.30x = 117,230.30 × 46,710.81
  4. Step 4: Simplify right side
    84,951.30x = 5,475,922,035.99
  5. Step 5: Solve for x
    x = 5,475,922,035.99/84,951.30
  6. Step 6: Final answer
    x = 64,459.54

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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.