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Finding the Fourth Proportional to 236,182.80, 325,924.68 and 128,751.12

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Solution

The fourth proportional to 236,182.80, 325,924.68 and 128,751.12 is: 177,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,182.80 : 325,924.68 = 128,751.12 : x
  2. Step 2: Convert to fraction form
    236,182.80/325,924.68 = 128,751.12/x
  3. Step 3: Cross multiply
    236,182.80x = 325,924.68 × 128,751.12
  4. Step 4: Simplify right side
    236,182.80x = 41,963,167,585.64
  5. Step 5: Solve for x
    x = 41,963,167,585.64/236,182.80
  6. Step 6: Final answer
    x = 177,672.41

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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.