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Finding the Fourth Proportional to 94,645.65, 130,611.09 and 54,367.20

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Solution

The fourth proportional to 94,645.65, 130,611.09 and 54,367.20 is: 75,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,645.65 : 130,611.09 = 54,367.20 : x
  2. Step 2: Convert to fraction form
    94,645.65/130,611.09 = 54,367.20/x
  3. Step 3: Cross multiply
    94,645.65x = 130,611.09 × 54,367.20
  4. Step 4: Simplify right side
    94,645.65x = 7,100,959,252.25
  5. Step 5: Solve for x
    x = 7,100,959,252.25/94,645.65
  6. Step 6: Final answer
    x = 75,026.79

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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.