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Finding the Fourth Proportional to 84,350.66, 116,400.47 and 48,541.95

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Solution

The fourth proportional to 84,350.66, 116,400.47 and 48,541.95 is: 66,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,350.66 : 116,400.47 = 48,541.95 : x
  2. Step 2: Convert to fraction form
    84,350.66/116,400.47 = 48,541.95/x
  3. Step 3: Cross multiply
    84,350.66x = 116,400.47 × 48,541.95
  4. Step 4: Simplify right side
    84,350.66x = 5,650,305,552.01
  5. Step 5: Solve for x
    x = 5,650,305,552.01/84,350.66
  6. Step 6: Final answer
    x = 66,985.91

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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.