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Finding the Fourth Proportional to 79,224.66, 118,756.98 and 49,663.22

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Solution

The fourth proportional to 79,224.66, 118,756.98 and 49,663.22 is: 74,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.66 : 118,756.98 = 49,663.22 : x
  2. Step 2: Convert to fraction form
    79,224.66/118,756.98 = 49,663.22/x
  3. Step 3: Cross multiply
    79,224.66x = 118,756.98 × 49,663.22
  4. Step 4: Simplify right side
    79,224.66x = 5,897,853,430.49
  5. Step 5: Solve for x
    x = 5,897,853,430.49/79,224.66
  6. Step 6: Final answer
    x = 74,444.67

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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.