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Finding the Fourth Proportional to 189,184.59, 261,076.50 and 104,304.69

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Solution

The fourth proportional to 189,184.59, 261,076.50 and 104,304.69 is: 143,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,184.59 : 261,076.50 = 104,304.69 : x
  2. Step 2: Convert to fraction form
    189,184.59/261,076.50 = 104,304.69/x
  3. Step 3: Cross multiply
    189,184.59x = 261,076.50 × 104,304.69
  4. Step 4: Simplify right side
    189,184.59x = 27,231,503,398.79
  5. Step 5: Solve for x
    x = 27,231,503,398.79/189,184.59
  6. Step 6: Final answer
    x = 143,941.45

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1.5x scale

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.