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Finding the Fourth Proportional to 422,095.76, 633,151.74 and 155,719.16

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Solution

The fourth proportional to 422,095.76, 633,151.74 and 155,719.16 is: 233,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,095.76 : 633,151.74 = 155,719.16 : x
  2. Step 2: Convert to fraction form
    422,095.76/633,151.74 = 155,719.16/x
  3. Step 3: Cross multiply
    422,095.76x = 633,151.74 × 155,719.16
  4. Step 4: Simplify right side
    422,095.76x = 98,593,857,105.34
  5. Step 5: Solve for x
    x = 98,593,857,105.34/422,095.76
  6. Step 6: Final answer
    x = 233,581.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.