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Finding the Fourth Proportional to 245,700.11, 368,552.21 and 68,220.96

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Solution

The fourth proportional to 245,700.11, 368,552.21 and 68,220.96 is: 102,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,700.11 : 368,552.21 = 68,220.96 : x
  2. Step 2: Convert to fraction form
    245,700.11/368,552.21 = 68,220.96/x
  3. Step 3: Cross multiply
    245,700.11x = 368,552.21 × 68,220.96
  4. Step 4: Simplify right side
    245,700.11x = 25,142,985,576.32
  5. Step 5: Solve for x
    x = 25,142,985,576.32/245,700.11
  6. Step 6: Final answer
    x = 102,332.01

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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.