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Finding the Fourth Proportional to 84,895.62, 117,107.16 and 53,009.16

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Solution

The fourth proportional to 84,895.62, 117,107.16 and 53,009.16 is: 73,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.62 : 117,107.16 = 53,009.16 : x
  2. Step 2: Convert to fraction form
    84,895.62/117,107.16 = 53,009.16/x
  3. Step 3: Cross multiply
    84,895.62x = 117,107.16 × 53,009.16
  4. Step 4: Simplify right side
    84,895.62x = 6,207,752,181.59
  5. Step 5: Solve for x
    x = 6,207,752,181.59/84,895.62
  6. Step 6: Final answer
    x = 73,122.17

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1.5x scale

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.