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Finding the Fourth Proportional to 245,560.16, 368,303.78 and 68,048.66

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Solution

The fourth proportional to 245,560.16, 368,303.78 and 68,048.66 is: 102,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,560.16 : 368,303.78 = 68,048.66 : x
  2. Step 2: Convert to fraction form
    245,560.16/368,303.78 = 68,048.66/x
  3. Step 3: Cross multiply
    245,560.16x = 368,303.78 × 68,048.66
  4. Step 4: Simplify right side
    245,560.16x = 25,062,577,030.54
  5. Step 5: Solve for x
    x = 25,062,577,030.54/245,560.16
  6. Step 6: Final answer
    x = 102,062.88

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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.