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Finding the Fourth Proportional to 186,772.64, 280,161.40 and 62,113.64

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Solution

The fourth proportional to 186,772.64, 280,161.40 and 62,113.64 is: 93,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,772.64 : 280,161.40 = 62,113.64 : x
  2. Step 2: Convert to fraction form
    186,772.64/280,161.40 = 62,113.64/x
  3. Step 3: Cross multiply
    186,772.64x = 280,161.40 × 62,113.64
  4. Step 4: Simplify right side
    186,772.64x = 17,401,844,341.50
  5. Step 5: Solve for x
    x = 17,401,844,341.50/186,772.64
  6. Step 6: Final answer
    x = 93,171.27

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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.