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Finding the Fourth Proportional to 192,355.58, 265,442.45 and 106,310.12

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Solution

The fourth proportional to 192,355.58, 265,442.45 and 106,310.12 is: 146,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,355.58 : 265,442.45 = 106,310.12 : x
  2. Step 2: Convert to fraction form
    192,355.58/265,442.45 = 106,310.12/x
  3. Step 3: Cross multiply
    192,355.58x = 265,442.45 × 106,310.12
  4. Step 4: Simplify right side
    192,355.58x = 28,219,216,853.83
  5. Step 5: Solve for x
    x = 28,219,216,853.83/192,355.58
  6. Step 6: Final answer
    x = 146,703.40

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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.