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Finding the Fourth Proportional to 235,882.35, 325,627.97 and 151,047.81

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Solution

The fourth proportional to 235,882.35, 325,627.97 and 151,047.81 is: 208,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,882.35 : 325,627.97 = 151,047.81 : x
  2. Step 2: Convert to fraction form
    235,882.35/325,627.97 = 151,047.81/x
  3. Step 3: Cross multiply
    235,882.35x = 325,627.97 × 151,047.81
  4. Step 4: Simplify right side
    235,882.35x = 49,185,390,988.01
  5. Step 5: Solve for x
    x = 49,185,390,988.01/235,882.35
  6. Step 6: Final answer
    x = 208,516.62

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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.