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Finding the Fourth Proportional to 191,881.60, 264,790.56 and 104,663.44

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Solution

The fourth proportional to 191,881.60, 264,790.56 and 104,663.44 is: 144,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,881.60 : 264,790.56 = 104,663.44 : x
  2. Step 2: Convert to fraction form
    191,881.60/264,790.56 = 104,663.44/x
  3. Step 3: Cross multiply
    191,881.60x = 264,790.56 × 104,663.44
  4. Step 4: Simplify right side
    191,881.60x = 27,713,890,889.13
  5. Step 5: Solve for x
    x = 27,713,890,889.13/191,881.60
  6. Step 6: Final answer
    x = 144,432.25

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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.