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Finding the Fourth Proportional to 235,797.06, 325,404.09 and 128,370.18

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Solution

The fourth proportional to 235,797.06, 325,404.09 and 128,370.18 is: 177,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,797.06 : 325,404.09 = 128,370.18 : x
  2. Step 2: Convert to fraction form
    235,797.06/325,404.09 = 128,370.18/x
  3. Step 3: Cross multiply
    235,797.06x = 325,404.09 × 128,370.18
  4. Step 4: Simplify right side
    235,797.06x = 41,772,181,606.04
  5. Step 5: Solve for x
    x = 41,772,181,606.04/235,797.06
  6. Step 6: Final answer
    x = 177,153.11

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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.