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Finding the Fourth Proportional to 126,679.95, 190,008.99 and 37,953.36

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Solution

The fourth proportional to 126,679.95, 190,008.99 and 37,953.36 is: 56,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,679.95 : 190,008.99 = 37,953.36 : x
  2. Step 2: Convert to fraction form
    126,679.95/190,008.99 = 37,953.36/x
  3. Step 3: Cross multiply
    126,679.95x = 190,008.99 × 37,953.36
  4. Step 4: Simplify right side
    126,679.95x = 7,211,479,600.71
  5. Step 5: Solve for x
    x = 7,211,479,600.71/126,679.95
  6. Step 6: Final answer
    x = 56,926.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.