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Finding the Fourth Proportional to 114,340.08, 157,789.08 and 64,038

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Solution

The fourth proportional to 114,340.08, 157,789.08 and 64,038 is: 88,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,340.08 : 157,789.08 = 64,038 : x
  2. Step 2: Convert to fraction form
    114,340.08/157,789.08 = 64,038/x
  3. Step 3: Cross multiply
    114,340.08x = 157,789.08 × 64,038
  4. Step 4: Simplify right side
    114,340.08x = 10,104,497,105.04
  5. Step 5: Solve for x
    x = 10,104,497,105.04/114,340.08
  6. Step 6: Final answer
    x = 88,372.31

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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.