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Finding the Fourth Proportional to 84,608.74, 116,752.62 and 48,801.52

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Solution

The fourth proportional to 84,608.74, 116,752.62 and 48,801.52 is: 67,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,608.74 : 116,752.62 = 48,801.52 : x
  2. Step 2: Convert to fraction form
    84,608.74/116,752.62 = 48,801.52/x
  3. Step 3: Cross multiply
    84,608.74x = 116,752.62 × 48,801.52
  4. Step 4: Simplify right side
    84,608.74x = 5,697,705,319.98
  5. Step 5: Solve for x
    x = 5,697,705,319.98/84,608.74
  6. Step 6: Final answer
    x = 67,341.81

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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.