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Finding the Fourth Proportional to 189,607.59, 261,658.33 and 104,724.68

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Solution

The fourth proportional to 189,607.59, 261,658.33 and 104,724.68 is: 144,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,607.59 : 261,658.33 = 104,724.68 : x
  2. Step 2: Convert to fraction form
    189,607.59/261,658.33 = 104,724.68/x
  3. Step 3: Cross multiply
    189,607.59x = 261,658.33 × 104,724.68
  4. Step 4: Simplify right side
    189,607.59x = 27,402,083,308.48
  5. Step 5: Solve for x
    x = 27,402,083,308.48/189,607.59
  6. Step 6: Final answer
    x = 144,519.97

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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.