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Finding the Fourth Proportional to 114,638.97, 158,206.71 and 63,651.72

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Solution

The fourth proportional to 114,638.97, 158,206.71 and 63,651.72 is: 87,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,638.97 : 158,206.71 = 63,651.72 : x
  2. Step 2: Convert to fraction form
    114,638.97/158,206.71 = 63,651.72/x
  3. Step 3: Cross multiply
    114,638.97x = 158,206.71 × 63,651.72
  4. Step 4: Simplify right side
    114,638.97x = 10,070,129,207.04
  5. Step 5: Solve for x
    x = 10,070,129,207.04/114,638.97
  6. Step 6: Final answer
    x = 87,842.11

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1.5x scale

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.