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Finding the Fourth Proportional to 253,801.28, 350,245.76 and 151,831.02

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Solution

The fourth proportional to 253,801.28, 350,245.76 and 151,831.02 is: 209,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,801.28 : 350,245.76 = 151,831.02 : x
  2. Step 2: Convert to fraction form
    253,801.28/350,245.76 = 151,831.02/x
  3. Step 3: Cross multiply
    253,801.28x = 350,245.76 × 151,831.02
  4. Step 4: Simplify right side
    253,801.28x = 53,178,171,545.74
  5. Step 5: Solve for x
    x = 53,178,171,545.74/253,801.28
  6. Step 6: Final answer
    x = 209,526.80

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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.