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Finding the Fourth Proportional to 84,580.77, 116,720.18 and 46,340.02

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Solution

The fourth proportional to 84,580.77, 116,720.18 and 46,340.02 is: 63,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580.77 : 116,720.18 = 46,340.02 : x
  2. Step 2: Convert to fraction form
    84,580.77/116,720.18 = 46,340.02/x
  3. Step 3: Cross multiply
    84,580.77x = 116,720.18 × 46,340.02
  4. Step 4: Simplify right side
    84,580.77x = 5,408,814,892.00
  5. Step 5: Solve for x
    x = 5,408,814,892.00/84,580.77
  6. Step 6: Final answer
    x = 63,948.52

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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.