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Finding the Fourth Proportional to 105,079.44, 157,612.74 and 34,000.56

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Solution

The fourth proportional to 105,079.44, 157,612.74 and 34,000.56 is: 50,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,079.44 : 157,612.74 = 34,000.56 : x
  2. Step 2: Convert to fraction form
    105,079.44/157,612.74 = 34,000.56/x
  3. Step 3: Cross multiply
    105,079.44x = 157,612.74 × 34,000.56
  4. Step 4: Simplify right side
    105,079.44x = 5,358,921,423.13
  5. Step 5: Solve for x
    x = 5,358,921,423.13/105,079.44
  6. Step 6: Final answer
    x = 50,998.76

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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.