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Finding the Fourth Proportional to 114,954.81, 158,636.12 and 64,653.81

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Solution

The fourth proportional to 114,954.81, 158,636.12 and 64,653.81 is: 89,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,954.81 : 158,636.12 = 64,653.81 : x
  2. Step 2: Convert to fraction form
    114,954.81/158,636.12 = 64,653.81/x
  3. Step 3: Cross multiply
    114,954.81x = 158,636.12 × 64,653.81
  4. Step 4: Simplify right side
    114,954.81x = 10,256,429,238.35
  5. Step 5: Solve for x
    x = 10,256,429,238.35/114,954.81
  6. Step 6: Final answer
    x = 89,221.40

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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.