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Finding the Fourth Proportional to 265,738.05, 366,720.71 and 144,880.20

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Solution

The fourth proportional to 265,738.05, 366,720.71 and 144,880.20 is: 199,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,738.05 : 366,720.71 = 144,880.20 : x
  2. Step 2: Convert to fraction form
    265,738.05/366,720.71 = 144,880.20/x
  3. Step 3: Cross multiply
    265,738.05x = 366,720.71 × 144,880.20
  4. Step 4: Simplify right side
    265,738.05x = 53,130,569,084.54
  5. Step 5: Solve for x
    x = 53,130,569,084.54/265,738.05
  6. Step 6: Final answer
    x = 199,935.87

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1.5x scale

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.