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Finding the Fourth Proportional to 114,614.60, 158,162.10 and 64,312.52

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Solution

The fourth proportional to 114,614.60, 158,162.10 and 64,312.52 is: 88,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,614.60 : 158,162.10 = 64,312.52 : x
  2. Step 2: Convert to fraction form
    114,614.60/158,162.10 = 64,312.52/x
  3. Step 3: Cross multiply
    114,614.60x = 158,162.10 × 64,312.52
  4. Step 4: Simplify right side
    114,614.60x = 10,171,803,219.49
  5. Step 5: Solve for x
    x = 10,171,803,219.49/114,614.60
  6. Step 6: Final answer
    x = 88,747.88

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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.