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Finding the Fourth Proportional to 223,430.30, 335,167.31 and 73,609.46

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Solution

The fourth proportional to 223,430.30, 335,167.31 and 73,609.46 is: 110,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,430.30 : 335,167.31 = 73,609.46 : x
  2. Step 2: Convert to fraction form
    223,430.30/335,167.31 = 73,609.46/x
  3. Step 3: Cross multiply
    223,430.30x = 335,167.31 × 73,609.46
  4. Step 4: Simplify right side
    223,430.30x = 24,671,483,022.92
  5. Step 5: Solve for x
    x = 24,671,483,022.92/223,430.30
  6. Step 6: Final answer
    x = 110,421.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.