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Finding the Fourth Proportional to 265,502.57, 366,389.28 and 144,645.32

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Solution

The fourth proportional to 265,502.57, 366,389.28 and 144,645.32 is: 199,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,502.57 : 366,389.28 = 144,645.32 : x
  2. Step 2: Convert to fraction form
    265,502.57/366,389.28 = 144,645.32/x
  3. Step 3: Cross multiply
    265,502.57x = 366,389.28 × 144,645.32
  4. Step 4: Simplify right side
    265,502.57x = 52,996,494,650.17
  5. Step 5: Solve for x
    x = 52,996,494,650.17/265,502.57
  6. Step 6: Final answer
    x = 199,608.22

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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.