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Finding the Fourth Proportional to 251,673.48, 347,304.92 and 136,948.22

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Solution

The fourth proportional to 251,673.48, 347,304.92 and 136,948.22 is: 188,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,673.48 : 347,304.92 = 136,948.22 : x
  2. Step 2: Convert to fraction form
    251,673.48/347,304.92 = 136,948.22/x
  3. Step 3: Cross multiply
    251,673.48x = 347,304.92 × 136,948.22
  4. Step 4: Simplify right side
    251,673.48x = 47,562,789,472.37
  5. Step 5: Solve for x
    x = 47,562,789,472.37/251,673.48
  6. Step 6: Final answer
    x = 188,986.10

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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.