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Finding the Fourth Proportional to 245,859.92, 368,707.76 and 96,061.36

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Solution

The fourth proportional to 245,859.92, 368,707.76 and 96,061.36 is: 144,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,859.92 : 368,707.76 = 96,061.36 : x
  2. Step 2: Convert to fraction form
    245,859.92/368,707.76 = 96,061.36/x
  3. Step 3: Cross multiply
    245,859.92x = 368,707.76 × 96,061.36
  4. Step 4: Simplify right side
    245,859.92x = 35,418,568,868.15
  5. Step 5: Solve for x
    x = 35,418,568,868.15/245,859.92
  6. Step 6: Final answer
    x = 144,059.95

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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.