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Finding the Fourth Proportional to 245,516.76, 368,275.63 and 68,024.25

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Solution

The fourth proportional to 245,516.76, 368,275.63 and 68,024.25 is: 102,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,516.76 : 368,275.63 = 68,024.25 : x
  2. Step 2: Convert to fraction form
    245,516.76/368,275.63 = 68,024.25/x
  3. Step 3: Cross multiply
    245,516.76x = 368,275.63 × 68,024.25
  4. Step 4: Simplify right side
    245,516.76x = 25,051,673,353.97
  5. Step 5: Solve for x
    x = 25,051,673,353.97/245,516.76
  6. Step 6: Final answer
    x = 102,036.51

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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.