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Finding the Fourth Proportional to 241,101.70, 332,715.22 and 139,119.16

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Solution

The fourth proportional to 241,101.70, 332,715.22 and 139,119.16 is: 191,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,101.70 : 332,715.22 = 139,119.16 : x
  2. Step 2: Convert to fraction form
    241,101.70/332,715.22 = 139,119.16/x
  3. Step 3: Cross multiply
    241,101.70x = 332,715.22 × 139,119.16
  4. Step 4: Simplify right side
    241,101.70x = 46,287,061,925.62
  5. Step 5: Solve for x
    x = 46,287,061,925.62/241,101.70
  6. Step 6: Final answer
    x = 191,981.48

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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.