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Finding the Fourth Proportional to 268,602.52, 370,663.74 and 147,743.80

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Solution

The fourth proportional to 268,602.52, 370,663.74 and 147,743.80 is: 203,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,602.52 : 370,663.74 = 147,743.80 : x
  2. Step 2: Convert to fraction form
    268,602.52/370,663.74 = 147,743.80/x
  3. Step 3: Cross multiply
    268,602.52x = 370,663.74 × 147,743.80
  4. Step 4: Simplify right side
    268,602.52x = 54,763,269,469.81
  5. Step 5: Solve for x
    x = 54,763,269,469.81/268,602.52
  6. Step 6: Final answer
    x = 203,882.19

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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.