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Finding the Fourth Proportional to 245,426.48, 368,140.24 and 67,934

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Solution

The fourth proportional to 245,426.48, 368,140.24 and 67,934 is: 101,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,426.48 : 368,140.24 = 67,934 : x
  2. Step 2: Convert to fraction form
    245,426.48/368,140.24 = 67,934/x
  3. Step 3: Cross multiply
    245,426.48x = 368,140.24 × 67,934
  4. Step 4: Simplify right side
    245,426.48x = 25,009,239,064.16
  5. Step 5: Solve for x
    x = 25,009,239,064.16/245,426.48
  6. Step 6: Final answer
    x = 101,901.14

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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.