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Finding the Fourth Proportional to 73,339.56, 101,133.48 and 65,247.72

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Solution

The fourth proportional to 73,339.56, 101,133.48 and 65,247.72 is: 89,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,339.56 : 101,133.48 = 65,247.72 : x
  2. Step 2: Convert to fraction form
    73,339.56/101,133.48 = 65,247.72/x
  3. Step 3: Cross multiply
    73,339.56x = 101,133.48 × 65,247.72
  4. Step 4: Simplify right side
    73,339.56x = 6,598,728,985.67
  5. Step 5: Solve for x
    x = 6,598,728,985.67/73,339.56
  6. Step 6: Final answer
    x = 89,975.03

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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.