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Finding the Fourth Proportional to 84,580.68, 116,733.77 and 48,763.69

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Solution

The fourth proportional to 84,580.68, 116,733.77 and 48,763.69 is: 67,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580.68 : 116,733.77 = 48,763.69 : x
  2. Step 2: Convert to fraction form
    84,580.68/116,733.77 = 48,763.69/x
  3. Step 3: Cross multiply
    84,580.68x = 116,733.77 × 48,763.69
  4. Step 4: Simplify right side
    84,580.68x = 5,692,369,372.81
  5. Step 5: Solve for x
    x = 5,692,369,372.81/84,580.68
  6. Step 6: Final answer
    x = 67,301.06

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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.