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Finding the Fourth Proportional to 186,802.91, 280,394.97 and 136,734.28

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Solution

The fourth proportional to 186,802.91, 280,394.97 and 136,734.28 is: 205,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,802.91 : 280,394.97 = 136,734.28 : x
  2. Step 2: Convert to fraction form
    186,802.91/280,394.97 = 136,734.28/x
  3. Step 3: Cross multiply
    186,802.91x = 280,394.97 × 136,734.28
  4. Step 4: Simplify right side
    186,802.91x = 38,339,603,124.83
  5. Step 5: Solve for x
    x = 38,339,603,124.83/186,802.91
  6. Step 6: Final answer
    x = 205,240.93

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1.5x scale

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.