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Finding the Fourth Proportional to 114,611.19, 158,171.18 and 63,629.79

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Solution

The fourth proportional to 114,611.19, 158,171.18 and 63,629.79 is: 87,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,611.19 : 158,171.18 = 63,629.79 : x
  2. Step 2: Convert to fraction form
    114,611.19/158,171.18 = 63,629.79/x
  3. Step 3: Cross multiply
    114,611.19x = 158,171.18 × 63,629.79
  4. Step 4: Simplify right side
    114,611.19x = 10,064,398,649.30
  5. Step 5: Solve for x
    x = 10,064,398,649.30/114,611.19
  6. Step 6: Final answer
    x = 87,813.40

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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.