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Finding the Fourth Proportional to 116,363.32, 160,544.48 and 71,018.62

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Solution

The fourth proportional to 116,363.32, 160,544.48 and 71,018.62 is: 97,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,363.32 : 160,544.48 = 71,018.62 : x
  2. Step 2: Convert to fraction form
    116,363.32/160,544.48 = 71,018.62/x
  3. Step 3: Cross multiply
    116,363.32x = 160,544.48 × 71,018.62
  4. Step 4: Simplify right side
    116,363.32x = 11,401,647,418.22
  5. Step 5: Solve for x
    x = 11,401,647,418.22/116,363.32
  6. Step 6: Final answer
    x = 97,983.17

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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.