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Finding the Fourth Proportional to 114,489.65, 157,996.27 and 63,498.84

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Solution

The fourth proportional to 114,489.65, 157,996.27 and 63,498.84 is: 87,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,489.65 : 157,996.27 = 63,498.84 : x
  2. Step 2: Convert to fraction form
    114,489.65/157,996.27 = 63,498.84/x
  3. Step 3: Cross multiply
    114,489.65x = 157,996.27 × 63,498.84
  4. Step 4: Simplify right side
    114,489.65x = 10,032,579,356.21
  5. Step 5: Solve for x
    x = 10,032,579,356.21/114,489.65
  6. Step 6: Final answer
    x = 87,628.70

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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.