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Finding the Fourth Proportional to 236,160.96, 325,897.92 and 128,731.92

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Solution

The fourth proportional to 236,160.96, 325,897.92 and 128,731.92 is: 177,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,160.96 : 325,897.92 = 128,731.92 : x
  2. Step 2: Convert to fraction form
    236,160.96/325,897.92 = 128,731.92/x
  3. Step 3: Cross multiply
    236,160.96x = 325,897.92 × 128,731.92
  4. Step 4: Simplify right side
    236,160.96x = 41,953,464,965.61
  5. Step 5: Solve for x
    x = 41,953,464,965.61/236,160.96
  6. Step 6: Final answer
    x = 177,647.76

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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.