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Finding the Fourth Proportional to 84,892.68, 117,103.10 and 53,006.22

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Solution

The fourth proportional to 84,892.68, 117,103.10 and 53,006.22 is: 73,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,892.68 : 117,103.10 = 53,006.22 : x
  2. Step 2: Convert to fraction form
    84,892.68/117,103.10 = 53,006.22/x
  3. Step 3: Cross multiply
    84,892.68x = 117,103.10 × 53,006.22
  4. Step 4: Simplify right side
    84,892.68x = 6,207,192,681.28
  5. Step 5: Solve for x
    x = 6,207,192,681.28/84,892.68
  6. Step 6: Final answer
    x = 73,118.11

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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.