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Finding the Fourth Proportional to 84,898.88, 117,164.30 and 47,173.13

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Solution

The fourth proportional to 84,898.88, 117,164.30 and 47,173.13 is: 65,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,898.88 : 117,164.30 = 47,173.13 : x
  2. Step 2: Convert to fraction form
    84,898.88/117,164.30 = 47,173.13/x
  3. Step 3: Cross multiply
    84,898.88x = 117,164.30 × 47,173.13
  4. Step 4: Simplify right side
    84,898.88x = 5,527,005,933.57
  5. Step 5: Solve for x
    x = 5,527,005,933.57/84,898.88
  6. Step 6: Final answer
    x = 65,101.05

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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.