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Finding the Fourth Proportional to 114,639.63, 158,203.32 and 63,651.63

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Solution

The fourth proportional to 114,639.63, 158,203.32 and 63,651.63 is: 87,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,639.63 : 158,203.32 = 63,651.63 : x
  2. Step 2: Convert to fraction form
    114,639.63/158,203.32 = 63,651.63/x
  3. Step 3: Cross multiply
    114,639.63x = 158,203.32 × 63,651.63
  4. Step 4: Simplify right side
    114,639.63x = 10,069,899,189.41
  5. Step 5: Solve for x
    x = 10,069,899,189.41/114,639.63
  6. Step 6: Final answer
    x = 87,839.60

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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.