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Finding the Fourth Proportional to 191,302.56, 263,840.32 and 169,808

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Solution

The fourth proportional to 191,302.56, 263,840.32 and 169,808 is: 234,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,302.56 : 263,840.32 = 169,808 : x
  2. Step 2: Convert to fraction form
    191,302.56/263,840.32 = 169,808/x
  3. Step 3: Cross multiply
    191,302.56x = 263,840.32 × 169,808
  4. Step 4: Simplify right side
    191,302.56x = 44,802,197,058.56
  5. Step 5: Solve for x
    x = 44,802,197,058.56/191,302.56
  6. Step 6: Final answer
    x = 234,195.49

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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.