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Finding the Fourth Proportional to 192,285.02, 265,308.01 and 111,664.71

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Solution

The fourth proportional to 192,285.02, 265,308.01 and 111,664.71 is: 154,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,285.02 : 265,308.01 = 111,664.71 : x
  2. Step 2: Convert to fraction form
    192,285.02/265,308.01 = 111,664.71/x
  3. Step 3: Cross multiply
    192,285.02x = 265,308.01 × 111,664.71
  4. Step 4: Simplify right side
    192,285.02x = 29,625,541,718.17
  5. Step 5: Solve for x
    x = 29,625,541,718.17/192,285.02
  6. Step 6: Final answer
    x = 154,070.98

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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.