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Finding the Fourth Proportional to 114,855.72, 158,501.02 and 63,867.88

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Solution

The fourth proportional to 114,855.72, 158,501.02 and 63,867.88 is: 88,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,855.72 : 158,501.02 = 63,867.88 : x
  2. Step 2: Convert to fraction form
    114,855.72/158,501.02 = 63,867.88/x
  3. Step 3: Cross multiply
    114,855.72x = 158,501.02 × 63,867.88
  4. Step 4: Simplify right side
    114,855.72x = 10,123,124,125.24
  5. Step 5: Solve for x
    x = 10,123,124,125.24/114,855.72
  6. Step 6: Final answer
    x = 88,137.74

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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.