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Finding the Fourth Proportional to 119,476.61, 179,172.22 and 39,499.81

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Solution

The fourth proportional to 119,476.61, 179,172.22 and 39,499.81 is: 59,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,476.61 : 179,172.22 = 39,499.81 : x
  2. Step 2: Convert to fraction form
    119,476.61/179,172.22 = 39,499.81/x
  3. Step 3: Cross multiply
    119,476.61x = 179,172.22 × 39,499.81
  4. Step 4: Simplify right side
    119,476.61x = 7,077,268,647.28
  5. Step 5: Solve for x
    x = 7,077,268,647.28/119,476.61
  6. Step 6: Final answer
    x = 59,235.60

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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.