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Finding the Fourth Proportional to 252,296.52, 348,151.40 and 139,116.84

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Solution

The fourth proportional to 252,296.52, 348,151.40 and 139,116.84 is: 191,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,296.52 : 348,151.40 = 139,116.84 : x
  2. Step 2: Convert to fraction form
    252,296.52/348,151.40 = 139,116.84/x
  3. Step 3: Cross multiply
    252,296.52x = 348,151.40 × 139,116.84
  4. Step 4: Simplify right side
    252,296.52x = 48,433,722,609.58
  5. Step 5: Solve for x
    x = 48,433,722,609.58/252,296.52
  6. Step 6: Final answer
    x = 191,971.43

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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.