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Finding the Fourth Proportional to 236,088.68, 325,798.08 and 128,659.64

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Solution

The fourth proportional to 236,088.68, 325,798.08 and 128,659.64 is: 177,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,088.68 : 325,798.08 = 128,659.64 : x
  2. Step 2: Convert to fraction form
    236,088.68/325,798.08 = 128,659.64/x
  3. Step 3: Cross multiply
    236,088.68x = 325,798.08 × 128,659.64
  4. Step 4: Simplify right side
    236,088.68x = 41,917,063,685.49
  5. Step 5: Solve for x
    x = 41,917,063,685.49/236,088.68
  6. Step 6: Final answer
    x = 177,547.96

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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.