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Finding the Fourth Proportional to 127,161.96, 175,491.72 and 73,449.24

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Solution

The fourth proportional to 127,161.96, 175,491.72 and 73,449.24 is: 101,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,161.96 : 175,491.72 = 73,449.24 : x
  2. Step 2: Convert to fraction form
    127,161.96/175,491.72 = 73,449.24/x
  3. Step 3: Cross multiply
    127,161.96x = 175,491.72 × 73,449.24
  4. Step 4: Simplify right side
    127,161.96x = 12,889,733,460.29
  5. Step 5: Solve for x
    x = 12,889,733,460.29/127,161.96
  6. Step 6: Final answer
    x = 101,364.70

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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.