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Finding the Fourth Proportional to 79,473.36, 119,099.19 and 59,728.80

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Solution

The fourth proportional to 79,473.36, 119,099.19 and 59,728.80 is: 89,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,473.36 : 119,099.19 = 59,728.80 : x
  2. Step 2: Convert to fraction form
    79,473.36/119,099.19 = 59,728.80/x
  3. Step 3: Cross multiply
    79,473.36x = 119,099.19 × 59,728.80
  4. Step 4: Simplify right side
    79,473.36x = 7,113,651,699.67
  5. Step 5: Solve for x
    x = 7,113,651,699.67/79,473.36
  6. Step 6: Final answer
    x = 89,509.89

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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.