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Finding the Fourth Proportional to 73,624.70, 101,606.35 and 55,442.87

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Solution

The fourth proportional to 73,624.70, 101,606.35 and 55,442.87 is: 76,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,624.70 : 101,606.35 = 55,442.87 : x
  2. Step 2: Convert to fraction form
    73,624.70/101,606.35 = 55,442.87/x
  3. Step 3: Cross multiply
    73,624.70x = 101,606.35 × 55,442.87
  4. Step 4: Simplify right side
    73,624.70x = 5,633,347,146.19
  5. Step 5: Solve for x
    x = 5,633,347,146.19/73,624.70
  6. Step 6: Final answer
    x = 76,514.37

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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.