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Finding the Fourth Proportional to 262,348.78, 362,061.12 and 160,393.54

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Solution

The fourth proportional to 262,348.78, 362,061.12 and 160,393.54 is: 221,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,348.78 : 362,061.12 = 160,393.54 : x
  2. Step 2: Convert to fraction form
    262,348.78/362,061.12 = 160,393.54/x
  3. Step 3: Cross multiply
    262,348.78x = 362,061.12 × 160,393.54
  4. Step 4: Simplify right side
    262,348.78x = 58,072,264,733.16
  5. Step 5: Solve for x
    x = 58,072,264,733.16/262,348.78
  6. Step 6: Final answer
    x = 221,355.19

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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.