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Finding the Fourth Proportional to 114,579.70, 158,117.60 and 63,589.46

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Solution

The fourth proportional to 114,579.70, 158,117.60 and 63,589.46 is: 87,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,579.70 : 158,117.60 = 63,589.46 : x
  2. Step 2: Convert to fraction form
    114,579.70/158,117.60 = 63,589.46/x
  3. Step 3: Cross multiply
    114,579.70x = 158,117.60 × 63,589.46
  4. Step 4: Simplify right side
    114,579.70x = 10,054,613,433.18
  5. Step 5: Solve for x
    x = 10,054,613,433.18/114,579.70
  6. Step 6: Final answer
    x = 87,752.14

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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.