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Finding the Fourth Proportional to 235,892.26, 325,535.06 and 128,462.22

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Solution

The fourth proportional to 235,892.26, 325,535.06 and 128,462.22 is: 177,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,892.26 : 325,535.06 = 128,462.22 : x
  2. Step 2: Convert to fraction form
    235,892.26/325,535.06 = 128,462.22/x
  3. Step 3: Cross multiply
    235,892.26x = 325,535.06 × 128,462.22
  4. Step 4: Simplify right side
    235,892.26x = 41,818,956,495.43
  5. Step 5: Solve for x
    x = 41,818,956,495.43/235,892.26
  6. Step 6: Final answer
    x = 177,279.90

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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.