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Finding the Fourth Proportional to 192,347.04, 265,434 and 107,464.64

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Solution

The fourth proportional to 192,347.04, 265,434 and 107,464.64 is: 148,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,347.04 : 265,434 = 107,464.64 : x
  2. Step 2: Convert to fraction form
    192,347.04/265,434 = 107,464.64/x
  3. Step 3: Cross multiply
    192,347.04x = 265,434 × 107,464.64
  4. Step 4: Simplify right side
    192,347.04x = 28,524,769,253.76
  5. Step 5: Solve for x
    x = 28,524,769,253.76/192,347.04
  6. Step 6: Final answer
    x = 148,298.46

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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.