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Finding the Fourth Proportional to 144,358.74, 199,225.26 and 94,057.74

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Solution

The fourth proportional to 144,358.74, 199,225.26 and 94,057.74 is: 129,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,358.74 : 199,225.26 = 94,057.74 : x
  2. Step 2: Convert to fraction form
    144,358.74/199,225.26 = 94,057.74/x
  3. Step 3: Cross multiply
    144,358.74x = 199,225.26 × 94,057.74
  4. Step 4: Simplify right side
    144,358.74x = 18,738,677,706.51
  5. Step 5: Solve for x
    x = 18,738,677,706.51/144,358.74
  6. Step 6: Final answer
    x = 129,806.33

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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.