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Finding the Fourth Proportional to 102,015.99, 152,939.93 and 45,049.41

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Solution

The fourth proportional to 102,015.99, 152,939.93 and 45,049.41 is: 67,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,015.99 : 152,939.93 = 45,049.41 : x
  2. Step 2: Convert to fraction form
    102,015.99/152,939.93 = 45,049.41/x
  3. Step 3: Cross multiply
    102,015.99x = 152,939.93 × 45,049.41
  4. Step 4: Simplify right side
    102,015.99x = 6,889,853,386.69
  5. Step 5: Solve for x
    x = 6,889,853,386.69/102,015.99
  6. Step 6: Final answer
    x = 67,536.99

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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.