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Finding the Fourth Proportional to 114,774.70, 158,388.93 and 63,785.81

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Solution

The fourth proportional to 114,774.70, 158,388.93 and 63,785.81 is: 88,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,774.70 : 158,388.93 = 63,785.81 : x
  2. Step 2: Convert to fraction form
    114,774.70/158,388.93 = 63,785.81/x
  3. Step 3: Cross multiply
    114,774.70x = 158,388.93 × 63,785.81
  4. Step 4: Simplify right side
    114,774.70x = 10,102,966,195.08
  5. Step 5: Solve for x
    x = 10,102,966,195.08/114,774.70
  6. Step 6: Final answer
    x = 88,024.33

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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.