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Finding the Fourth Proportional to 114,853.18, 158,500.81 and 69,539.45

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Solution

The fourth proportional to 114,853.18, 158,500.81 and 69,539.45 is: 95,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,853.18 : 158,500.81 = 69,539.45 : x
  2. Step 2: Convert to fraction form
    114,853.18/158,500.81 = 69,539.45/x
  3. Step 3: Cross multiply
    114,853.18x = 158,500.81 × 69,539.45
  4. Step 4: Simplify right side
    114,853.18x = 11,022,059,325.80
  5. Step 5: Solve for x
    x = 11,022,059,325.80/114,853.18
  6. Step 6: Final answer
    x = 95,966.52

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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.