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Finding the Fourth Proportional to 79,407.34, 109,582.34 and 43,599.67

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Solution

The fourth proportional to 79,407.34, 109,582.34 and 43,599.67 is: 60,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,407.34 : 109,582.34 = 43,599.67 : x
  2. Step 2: Convert to fraction form
    79,407.34/109,582.34 = 43,599.67/x
  3. Step 3: Cross multiply
    79,407.34x = 109,582.34 × 43,599.67
  4. Step 4: Simplify right side
    79,407.34x = 4,777,753,533.37
  5. Step 5: Solve for x
    x = 4,777,753,533.37/79,407.34
  6. Step 6: Final answer
    x = 60,167.66

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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.