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Finding the Fourth Proportional to 245,432.86, 368,108.28 and 67,957.81

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Solution

The fourth proportional to 245,432.86, 368,108.28 and 67,957.81 is: 101,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,432.86 : 368,108.28 = 67,957.81 : x
  2. Step 2: Convert to fraction form
    245,432.86/368,108.28 = 67,957.81/x
  3. Step 3: Cross multiply
    245,432.86x = 368,108.28 × 67,957.81
  4. Step 4: Simplify right side
    245,432.86x = 25,015,832,551.67
  5. Step 5: Solve for x
    x = 25,015,832,551.67/245,432.86
  6. Step 6: Final answer
    x = 101,925.36

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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.