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Finding the Fourth Proportional to 191,393.35, 264,122.51 and 118,769.22

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Solution

The fourth proportional to 191,393.35, 264,122.51 and 118,769.22 is: 163,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,393.35 : 264,122.51 = 118,769.22 : x
  2. Step 2: Convert to fraction form
    191,393.35/264,122.51 = 118,769.22/x
  3. Step 3: Cross multiply
    191,393.35x = 264,122.51 × 118,769.22
  4. Step 4: Simplify right side
    191,393.35x = 31,369,623,903.30
  5. Step 5: Solve for x
    x = 31,369,623,903.30/191,393.35
  6. Step 6: Final answer
    x = 163,901.33

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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.