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Finding the Fourth Proportional to 114,531.49, 158,048.10 and 63,543.68

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Solution

The fourth proportional to 114,531.49, 158,048.10 and 63,543.68 is: 87,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,531.49 : 158,048.10 = 63,543.68 : x
  2. Step 2: Convert to fraction form
    114,531.49/158,048.10 = 63,543.68/x
  3. Step 3: Cross multiply
    114,531.49x = 158,048.10 × 63,543.68
  4. Step 4: Simplify right side
    114,531.49x = 10,042,956,783.05
  5. Step 5: Solve for x
    x = 10,042,956,783.05/114,531.49
  6. Step 6: Final answer
    x = 87,687.30

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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.