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Finding the Fourth Proportional to 235,641.81, 353,495.52 and 75,722.52

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Solution

The fourth proportional to 235,641.81, 353,495.52 and 75,722.52 is: 113,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,641.81 : 353,495.52 = 75,722.52 : x
  2. Step 2: Convert to fraction form
    235,641.81/353,495.52 = 75,722.52/x
  3. Step 3: Cross multiply
    235,641.81x = 353,495.52 × 75,722.52
  4. Step 4: Simplify right side
    235,641.81x = 26,767,571,583.11
  5. Step 5: Solve for x
    x = 26,767,571,583.11/235,641.81
  6. Step 6: Final answer
    x = 113,594.32

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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.