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Finding the Fourth Proportional to 265,173.75, 365,939.78 and 152,062.11

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Solution

The fourth proportional to 265,173.75, 365,939.78 and 152,062.11 is: 209,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,173.75 : 365,939.78 = 152,062.11 : x
  2. Step 2: Convert to fraction form
    265,173.75/365,939.78 = 152,062.11/x
  3. Step 3: Cross multiply
    265,173.75x = 365,939.78 × 152,062.11
  4. Step 4: Simplify right side
    265,173.75x = 55,645,574,319.43
  5. Step 5: Solve for x
    x = 55,645,574,319.43/265,173.75
  6. Step 6: Final answer
    x = 209,845.71

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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.