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Finding the Fourth Proportional to 114,713.91, 158,300.06 and 63,730.22

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Solution

The fourth proportional to 114,713.91, 158,300.06 and 63,730.22 is: 87,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,713.91 : 158,300.06 = 63,730.22 : x
  2. Step 2: Convert to fraction form
    114,713.91/158,300.06 = 63,730.22/x
  3. Step 3: Cross multiply
    114,713.91x = 158,300.06 × 63,730.22
  4. Step 4: Simplify right side
    114,713.91x = 10,088,496,539.66
  5. Step 5: Solve for x
    x = 10,088,496,539.66/114,713.91
  6. Step 6: Final answer
    x = 87,944.84

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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.