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Finding the Fourth Proportional to 192,699, 265,924.62 and 107,832.47

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Solution

The fourth proportional to 192,699, 265,924.62 and 107,832.47 is: 148,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,699 : 265,924.62 = 107,832.47 : x
  2. Step 2: Convert to fraction form
    192,699/265,924.62 = 107,832.47/x
  3. Step 3: Cross multiply
    192,699x = 265,924.62 × 107,832.47
  4. Step 4: Simplify right side
    192,699x = 28,675,307,278.79
  5. Step 5: Solve for x
    x = 28,675,307,278.79/192,699
  6. Step 6: Final answer
    x = 148,808.80

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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.