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Finding the Fourth Proportional to 84,588.84, 116,765.55 and 48,809.52

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Solution

The fourth proportional to 84,588.84, 116,765.55 and 48,809.52 is: 67,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,588.84 : 116,765.55 = 48,809.52 : x
  2. Step 2: Convert to fraction form
    84,588.84/116,765.55 = 48,809.52/x
  3. Step 3: Cross multiply
    84,588.84x = 116,765.55 × 48,809.52
  4. Step 4: Simplify right side
    84,588.84x = 5,699,270,448.04
  5. Step 5: Solve for x
    x = 5,699,270,448.04/84,588.84
  6. Step 6: Final answer
    x = 67,376.15

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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.