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Finding the Fourth Proportional to 186,841.53, 280,360.71 and 108,011.12

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Solution

The fourth proportional to 186,841.53, 280,360.71 and 108,011.12 is: 162,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,841.53 : 280,360.71 = 108,011.12 : x
  2. Step 2: Convert to fraction form
    186,841.53/280,360.71 = 108,011.12/x
  3. Step 3: Cross multiply
    186,841.53x = 280,360.71 × 108,011.12
  4. Step 4: Simplify right side
    186,841.53x = 30,282,072,889.29
  5. Step 5: Solve for x
    x = 30,282,072,889.29/186,841.53
  6. Step 6: Final answer
    x = 162,073.57

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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.