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Finding the Fourth Proportional to 114,709.92, 158,304.12 and 63,726.48

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Solution

The fourth proportional to 114,709.92, 158,304.12 and 63,726.48 is: 87,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,709.92 : 158,304.12 = 63,726.48 : x
  2. Step 2: Convert to fraction form
    114,709.92/158,304.12 = 63,726.48/x
  3. Step 3: Cross multiply
    114,709.92x = 158,304.12 × 63,726.48
  4. Step 4: Simplify right side
    114,709.92x = 10,088,164,337.10
  5. Step 5: Solve for x
    x = 10,088,164,337.10/114,709.92
  6. Step 6: Final answer
    x = 87,945.00

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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.