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Finding the Fourth Proportional to 114,706.63, 158,290.00 and 63,722.90

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Solution

The fourth proportional to 114,706.63, 158,290.00 and 63,722.90 is: 87,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,706.63 : 158,290.00 = 63,722.90 : x
  2. Step 2: Convert to fraction form
    114,706.63/158,290.00 = 63,722.90/x
  3. Step 3: Cross multiply
    114,706.63x = 158,290.00 × 63,722.90
  4. Step 4: Simplify right side
    114,706.63x = 10,086,698,077.42
  5. Step 5: Solve for x
    x = 10,086,698,077.42/114,706.63
  6. Step 6: Final answer
    x = 87,934.74

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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.