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Finding the Fourth Proportional to 252,973.33, 349,103.52 and 139,796.08

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Solution

The fourth proportional to 252,973.33, 349,103.52 and 139,796.08 is: 192,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,973.33 : 349,103.52 = 139,796.08 : x
  2. Step 2: Convert to fraction form
    252,973.33/349,103.52 = 139,796.08/x
  3. Step 3: Cross multiply
    252,973.33x = 349,103.52 × 139,796.08
  4. Step 4: Simplify right side
    252,973.33x = 48,803,302,737.44
  5. Step 5: Solve for x
    x = 48,803,302,737.44/252,973.33
  6. Step 6: Final answer
    x = 192,918.77

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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.