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Finding the Fourth Proportional to 265,431.78, 366,283.23 and 144,572.49

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Solution

The fourth proportional to 265,431.78, 366,283.23 and 144,572.49 is: 199,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,431.78 : 366,283.23 = 144,572.49 : x
  2. Step 2: Convert to fraction form
    265,431.78/366,283.23 = 144,572.49/x
  3. Step 3: Cross multiply
    265,431.78x = 366,283.23 × 144,572.49
  4. Step 4: Simplify right side
    265,431.78x = 52,954,478,606.34
  5. Step 5: Solve for x
    x = 52,954,478,606.34/265,431.78
  6. Step 6: Final answer
    x = 199,503.16

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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.