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Finding the Fourth Proportional to 79,841.81, 110,189.49 and 59,663.66

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Solution

The fourth proportional to 79,841.81, 110,189.49 and 59,663.66 is: 82,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841.81 : 110,189.49 = 59,663.66 : x
  2. Step 2: Convert to fraction form
    79,841.81/110,189.49 = 59,663.66/x
  3. Step 3: Cross multiply
    79,841.81x = 110,189.49 × 59,663.66
  4. Step 4: Simplify right side
    79,841.81x = 6,574,308,542.41
  5. Step 5: Solve for x
    x = 6,574,308,542.41/79,841.81
  6. Step 6: Final answer
    x = 82,341.67

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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.