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Finding the Fourth Proportional to 73,619.67, 101,595.83 and 40,085.67

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Solution

The fourth proportional to 73,619.67, 101,595.83 and 40,085.67 is: 55,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,619.67 : 101,595.83 = 40,085.67 : x
  2. Step 2: Convert to fraction form
    73,619.67/101,595.83 = 40,085.67/x
  3. Step 3: Cross multiply
    73,619.67x = 101,595.83 × 40,085.67
  4. Step 4: Simplify right side
    73,619.67x = 4,072,536,714.33
  5. Step 5: Solve for x
    x = 4,072,536,714.33/73,619.67
  6. Step 6: Final answer
    x = 55,318.60

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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.