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Finding the Fourth Proportional to 252,195.69, 348,032.39 and 139,022.49

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Solution

The fourth proportional to 252,195.69, 348,032.39 and 139,022.49 is: 191,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,195.69 : 348,032.39 = 139,022.49 : x
  2. Step 2: Convert to fraction form
    252,195.69/348,032.39 = 139,022.49/x
  3. Step 3: Cross multiply
    252,195.69x = 348,032.39 × 139,022.49
  4. Step 4: Simplify right side
    252,195.69x = 48,384,328,763.34
  5. Step 5: Solve for x
    x = 48,384,328,763.34/252,195.69
  6. Step 6: Final answer
    x = 191,852.32

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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.