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Finding the Fourth Proportional to 79,458.51, 119,187.71 and 29,551.17

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Solution

The fourth proportional to 79,458.51, 119,187.71 and 29,551.17 is: 44,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,458.51 : 119,187.71 = 29,551.17 : x
  2. Step 2: Convert to fraction form
    79,458.51/119,187.71 = 29,551.17/x
  3. Step 3: Cross multiply
    79,458.51x = 119,187.71 × 29,551.17
  4. Step 4: Simplify right side
    79,458.51x = 3,522,136,354.00
  5. Step 5: Solve for x
    x = 3,522,136,354.00/79,458.51
  6. Step 6: Final answer
    x = 44,326.74

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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.