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Finding the Fourth Proportional to 268,157.94, 370,039.77 and 147,304.32

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Solution

The fourth proportional to 268,157.94, 370,039.77 and 147,304.32 is: 203,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,157.94 : 370,039.77 = 147,304.32 : x
  2. Step 2: Convert to fraction form
    268,157.94/370,039.77 = 147,304.32/x
  3. Step 3: Cross multiply
    268,157.94x = 370,039.77 × 147,304.32
  4. Step 4: Simplify right side
    268,157.94x = 54,508,456,692.81
  5. Step 5: Solve for x
    x = 54,508,456,692.81/268,157.94
  6. Step 6: Final answer
    x = 203,269.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.