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Finding the Fourth Proportional to 186,641.82, 280,017.81 and 60,302.07

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Solution

The fourth proportional to 186,641.82, 280,017.81 and 60,302.07 is: 90,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,641.82 : 280,017.81 = 60,302.07 : x
  2. Step 2: Convert to fraction form
    186,641.82/280,017.81 = 60,302.07/x
  3. Step 3: Cross multiply
    186,641.82x = 280,017.81 × 60,302.07
  4. Step 4: Simplify right side
    186,641.82x = 16,885,653,579.87
  5. Step 5: Solve for x
    x = 16,885,653,579.87/186,641.82
  6. Step 6: Final answer
    x = 90,470.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.