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Finding the Fourth Proportional to 192,784.32, 266,042.32 and 107,901.38

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Solution

The fourth proportional to 192,784.32, 266,042.32 and 107,901.38 is: 148,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,784.32 : 266,042.32 = 107,901.38 : x
  2. Step 2: Convert to fraction form
    192,784.32/266,042.32 = 107,901.38/x
  3. Step 3: Cross multiply
    192,784.32x = 266,042.32 × 107,901.38
  4. Step 4: Simplify right side
    192,784.32x = 28,706,333,466.40
  5. Step 5: Solve for x
    x = 28,706,333,466.40/192,784.32
  6. Step 6: Final answer
    x = 148,903.88

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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.