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Finding the Fourth Proportional to 73,421.78, 101,324.14 and 41,590.67

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Solution

The fourth proportional to 73,421.78, 101,324.14 and 41,590.67 is: 57,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,421.78 : 101,324.14 = 41,590.67 : x
  2. Step 2: Convert to fraction form
    73,421.78/101,324.14 = 41,590.67/x
  3. Step 3: Cross multiply
    73,421.78x = 101,324.14 × 41,590.67
  4. Step 4: Simplify right side
    73,421.78x = 4,214,139,019.11
  5. Step 5: Solve for x
    x = 4,214,139,019.11/73,421.78
  6. Step 6: Final answer
    x = 57,396.30

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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.