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Finding the Fourth Proportional to 236,011.34, 325,693.94 and 128,581.34

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Solution

The fourth proportional to 236,011.34, 325,693.94 and 128,581.34 is: 177,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,011.34 : 325,693.94 = 128,581.34 : x
  2. Step 2: Convert to fraction form
    236,011.34/325,693.94 = 128,581.34/x
  3. Step 3: Cross multiply
    236,011.34x = 325,693.94 × 128,581.34
  4. Step 4: Simplify right side
    236,011.34x = 41,878,163,235.08
  5. Step 5: Solve for x
    x = 41,878,163,235.08/236,011.34
  6. Step 6: Final answer
    x = 177,441.32

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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.