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Finding the Fourth Proportional to 235,283.22, 352,924.83 and 85,495.59

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Solution

The fourth proportional to 235,283.22, 352,924.83 and 85,495.59 is: 128,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,283.22 : 352,924.83 = 85,495.59 : x
  2. Step 2: Convert to fraction form
    235,283.22/352,924.83 = 85,495.59/x
  3. Step 3: Cross multiply
    235,283.22x = 352,924.83 × 85,495.59
  4. Step 4: Simplify right side
    235,283.22x = 30,173,516,566.50
  5. Step 5: Solve for x
    x = 30,173,516,566.50/235,283.22
  6. Step 6: Final answer
    x = 128,243.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.