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Finding the Fourth Proportional to 235,305, 324,722.99 and 127,875.04

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Solution

The fourth proportional to 235,305, 324,722.99 and 127,875.04 is: 176,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,305 : 324,722.99 = 127,875.04 : x
  2. Step 2: Convert to fraction form
    235,305/324,722.99 = 127,875.04/x
  3. Step 3: Cross multiply
    235,305x = 324,722.99 × 127,875.04
  4. Step 4: Simplify right side
    235,305x = 41,523,964,843.05
  5. Step 5: Solve for x
    x = 41,523,964,843.05/235,305
  6. Step 6: Final answer
    x = 176,468.69

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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.