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Finding the Fourth Proportional to 84,896.88, 117,108.88 and 53,010.42

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Solution

The fourth proportional to 84,896.88, 117,108.88 and 53,010.42 is: 73,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,896.88 : 117,108.88 = 53,010.42 : x
  2. Step 2: Convert to fraction form
    84,896.88/117,108.88 = 53,010.42/x
  3. Step 3: Cross multiply
    84,896.88x = 117,108.88 × 53,010.42
  4. Step 4: Simplify right side
    84,896.88x = 6,207,990,914.53
  5. Step 5: Solve for x
    x = 6,207,990,914.53/84,896.88
  6. Step 6: Final answer
    x = 73,123.90

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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.