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Finding the Fourth Proportional to 268,485.59, 370,500.63 and 147,626.03

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Solution

The fourth proportional to 268,485.59, 370,500.63 and 147,626.03 is: 203,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,485.59 : 370,500.63 = 147,626.03 : x
  2. Step 2: Convert to fraction form
    268,485.59/370,500.63 = 147,626.03/x
  3. Step 3: Cross multiply
    268,485.59x = 370,500.63 × 147,626.03
  4. Step 4: Simplify right side
    268,485.59x = 54,695,537,119.40
  5. Step 5: Solve for x
    x = 54,695,537,119.40/268,485.59
  6. Step 6: Final answer
    x = 203,718.71

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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.