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Finding the Fourth Proportional to 265,480.71, 366,359.15 and 144,623.45

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Solution

The fourth proportional to 265,480.71, 366,359.15 and 144,623.45 is: 199,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,480.71 : 366,359.15 = 144,623.45 : x
  2. Step 2: Convert to fraction form
    265,480.71/366,359.15 = 144,623.45/x
  3. Step 3: Cross multiply
    265,480.71x = 366,359.15 × 144,623.45
  4. Step 4: Simplify right side
    265,480.71x = 52,984,121,657.15
  5. Step 5: Solve for x
    x = 52,984,121,657.15/265,480.71
  6. Step 6: Final answer
    x = 199,578.05

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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.