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Finding the Fourth Proportional to 268,601.02, 370,661.67 and 147,742.30

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Solution

The fourth proportional to 268,601.02, 370,661.67 and 147,742.30 is: 203,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,601.02 : 370,661.67 = 147,742.30 : x
  2. Step 2: Convert to fraction form
    268,601.02/370,661.67 = 147,742.30/x
  3. Step 3: Cross multiply
    268,601.02x = 370,661.67 × 147,742.30
  4. Step 4: Simplify right side
    268,601.02x = 54,762,408,448.12
  5. Step 5: Solve for x
    x = 54,762,408,448.12/268,601.02
  6. Step 6: Final answer
    x = 203,880.12

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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.