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Finding the Fourth Proportional to 250,612.30, 375,960.57 and 124,258.78

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Solution

The fourth proportional to 250,612.30, 375,960.57 and 124,258.78 is: 186,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,612.30 : 375,960.57 = 124,258.78 : x
  2. Step 2: Convert to fraction form
    250,612.30/375,960.57 = 124,258.78/x
  3. Step 3: Cross multiply
    250,612.30x = 375,960.57 × 124,258.78
  4. Step 4: Simplify right side
    250,612.30x = 46,716,401,756.30
  5. Step 5: Solve for x
    x = 46,716,401,756.30/250,612.30
  6. Step 6: Final answer
    x = 186,409.05

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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.