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Finding the Fourth Proportional to 302,430.85, 453,711.89 and 92,063.32

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Solution

The fourth proportional to 302,430.85, 453,711.89 and 92,063.32 is: 138,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,430.85 : 453,711.89 = 92,063.32 : x
  2. Step 2: Convert to fraction form
    302,430.85/453,711.89 = 92,063.32/x
  3. Step 3: Cross multiply
    302,430.85x = 453,711.89 × 92,063.32
  4. Step 4: Simplify right side
    302,430.85x = 41,770,224,047.03
  5. Step 5: Solve for x
    x = 41,770,224,047.03/302,430.85
  6. Step 6: Final answer
    x = 138,114.96

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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.