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Finding the Fourth Proportional to 236,777.98, 326,749.92 and 129,345.92

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Solution

The fourth proportional to 236,777.98, 326,749.92 and 129,345.92 is: 178,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,777.98 : 326,749.92 = 129,345.92 : x
  2. Step 2: Convert to fraction form
    236,777.98/326,749.92 = 129,345.92/x
  3. Step 3: Cross multiply
    236,777.98x = 326,749.92 × 129,345.92
  4. Step 4: Simplify right side
    236,777.98x = 42,263,769,012.33
  5. Step 5: Solve for x
    x = 42,263,769,012.33/236,777.98
  6. Step 6: Final answer
    x = 178,495.35

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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.