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Finding the Fourth Proportional to 73,110.70, 109,666.05 and 55,614.70

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Solution

The fourth proportional to 73,110.70, 109,666.05 and 55,614.70 is: 83,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,110.70 : 109,666.05 = 55,614.70 : x
  2. Step 2: Convert to fraction form
    73,110.70/109,666.05 = 55,614.70/x
  3. Step 3: Cross multiply
    73,110.70x = 109,666.05 × 55,614.70
  4. Step 4: Simplify right side
    73,110.70x = 6,099,044,470.94
  5. Step 5: Solve for x
    x = 6,099,044,470.94/73,110.70
  6. Step 6: Final answer
    x = 83,422.05

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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.