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Finding the Fourth Proportional to 84,994.77, 117,289.17 and 46,751.90

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Solution

The fourth proportional to 84,994.77, 117,289.17 and 46,751.90 is: 64,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,994.77 : 117,289.17 = 46,751.90 : x
  2. Step 2: Convert to fraction form
    84,994.77/117,289.17 = 46,751.90/x
  3. Step 3: Cross multiply
    84,994.77x = 117,289.17 × 46,751.90
  4. Step 4: Simplify right side
    84,994.77x = 5,483,490,726.72
  5. Step 5: Solve for x
    x = 5,483,490,726.72/84,994.77
  6. Step 6: Final answer
    x = 64,515.63

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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.