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Finding the Fourth Proportional to 96,722.58, 133,471.16 and 53,699.58

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Solution

The fourth proportional to 96,722.58, 133,471.16 and 53,699.58 is: 74,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,722.58 : 133,471.16 = 53,699.58 : x
  2. Step 2: Convert to fraction form
    96,722.58/133,471.16 = 53,699.58/x
  3. Step 3: Cross multiply
    96,722.58x = 133,471.16 × 53,699.58
  4. Step 4: Simplify right side
    96,722.58x = 7,167,345,234.11
  5. Step 5: Solve for x
    x = 7,167,345,234.11/96,722.58
  6. Step 6: Final answer
    x = 74,102.09

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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.