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Finding the Fourth Proportional to 84,482.60, 116,578.08 and 50,484.33

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Solution

The fourth proportional to 84,482.60, 116,578.08 and 50,484.33 is: 69,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,482.60 : 116,578.08 = 50,484.33 : x
  2. Step 2: Convert to fraction form
    84,482.60/116,578.08 = 50,484.33/x
  3. Step 3: Cross multiply
    84,482.60x = 116,578.08 × 50,484.33
  4. Step 4: Simplify right side
    84,482.60x = 5,885,366,261.49
  5. Step 5: Solve for x
    x = 5,885,366,261.49/84,482.60
  6. Step 6: Final answer
    x = 69,663.65

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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.