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Finding the Fourth Proportional to 189,497.18, 261,504.42 and 104,612.42

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Solution

The fourth proportional to 189,497.18, 261,504.42 and 104,612.42 is: 144,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,497.18 : 261,504.42 = 104,612.42 : x
  2. Step 2: Convert to fraction form
    189,497.18/261,504.42 = 104,612.42/x
  3. Step 3: Cross multiply
    189,497.18x = 261,504.42 × 104,612.42
  4. Step 4: Simplify right side
    189,497.18x = 27,356,610,216.90
  5. Step 5: Solve for x
    x = 27,356,610,216.90/189,497.18
  6. Step 6: Final answer
    x = 144,364.21

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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.