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Finding the Fourth Proportional to 96,662.68, 133,387.68 and 53,644.40

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Solution

The fourth proportional to 96,662.68, 133,387.68 and 53,644.40 is: 74,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,662.68 : 133,387.68 = 53,644.40 : x
  2. Step 2: Convert to fraction form
    96,662.68/133,387.68 = 53,644.40/x
  3. Step 3: Cross multiply
    96,662.68x = 133,387.68 × 53,644.40
  4. Step 4: Simplify right side
    96,662.68x = 7,155,502,060.99
  5. Step 5: Solve for x
    x = 7,155,502,060.99/96,662.68
  6. Step 6: Final answer
    x = 74,025.49

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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.