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Finding the Fourth Proportional to 265,416.64, 397,598.25 and 125,273.68

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Solution

The fourth proportional to 265,416.64, 397,598.25 and 125,273.68 is: 187,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,416.64 : 397,598.25 = 125,273.68 : x
  2. Step 2: Convert to fraction form
    265,416.64/397,598.25 = 125,273.68/x
  3. Step 3: Cross multiply
    265,416.64x = 397,598.25 × 125,273.68
  4. Step 4: Simplify right side
    265,416.64x = 49,808,593,951.07
  5. Step 5: Solve for x
    x = 49,808,593,951.07/265,416.64
  6. Step 6: Final answer
    x = 187,661.91

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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.