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Finding the Fourth Proportional to 353,299.92, 487,560.16 and 192,158.48

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Solution

The fourth proportional to 353,299.92, 487,560.16 and 192,158.48 is: 265,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,299.92 : 487,560.16 = 192,158.48 : x
  2. Step 2: Convert to fraction form
    353,299.92/487,560.16 = 192,158.48/x
  3. Step 3: Cross multiply
    353,299.92x = 487,560.16 × 192,158.48
  4. Step 4: Simplify right side
    353,299.92x = 93,688,819,254.16
  5. Step 5: Solve for x
    x = 93,688,819,254.16/353,299.92
  6. Step 6: Final answer
    x = 265,182.11

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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.