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Finding the Fourth Proportional to 245,463.50, 368,153.49 and 67,928.92

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Solution

The fourth proportional to 245,463.50, 368,153.49 and 67,928.92 is: 101,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,463.50 : 368,153.49 = 67,928.92 : x
  2. Step 2: Convert to fraction form
    245,463.50/368,153.49 = 67,928.92/x
  3. Step 3: Cross multiply
    245,463.50x = 368,153.49 × 67,928.92
  4. Step 4: Simplify right side
    245,463.50x = 25,008,268,969.93
  5. Step 5: Solve for x
    x = 25,008,268,969.93/245,463.50
  6. Step 6: Final answer
    x = 101,881.82

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1.5x scale

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.