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Finding the Fourth Proportional to 236,088.96, 325,798.56 and 128,659.92

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Solution

The fourth proportional to 236,088.96, 325,798.56 and 128,659.92 is: 177,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,088.96 : 325,798.56 = 128,659.92 : x
  2. Step 2: Convert to fraction form
    236,088.96/325,798.56 = 128,659.92/x
  3. Step 3: Cross multiply
    236,088.96x = 325,798.56 × 128,659.92
  4. Step 4: Simplify right side
    236,088.96x = 41,917,216,665.72
  5. Step 5: Solve for x
    x = 41,917,216,665.72/236,088.96
  6. Step 6: Final answer
    x = 177,548.40

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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.