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Finding the Fourth Proportional to 176,895.18, 265,344.80 and 75,679.47

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Solution

The fourth proportional to 176,895.18, 265,344.80 and 75,679.47 is: 113,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,895.18 : 265,344.80 = 75,679.47 : x
  2. Step 2: Convert to fraction form
    176,895.18/265,344.80 = 75,679.47/x
  3. Step 3: Cross multiply
    176,895.18x = 265,344.80 × 75,679.47
  4. Step 4: Simplify right side
    176,895.18x = 20,081,153,452.86
  5. Step 5: Solve for x
    x = 20,081,153,452.86/176,895.18
  6. Step 6: Final answer
    x = 113,520.07

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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.