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Finding the Fourth Proportional to 119,499.77, 179,312.13 and 48,429.97

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Solution

The fourth proportional to 119,499.77, 179,312.13 and 48,429.97 is: 72,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,499.77 : 179,312.13 = 48,429.97 : x
  2. Step 2: Convert to fraction form
    119,499.77/179,312.13 = 48,429.97/x
  3. Step 3: Cross multiply
    119,499.77x = 179,312.13 × 48,429.97
  4. Step 4: Simplify right side
    119,499.77x = 8,684,080,628.26
  5. Step 5: Solve for x
    x = 8,684,080,628.26/119,499.77
  6. Step 6: Final answer
    x = 72,670.27

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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.