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Finding the Fourth Proportional to 235,345.56, 324,775.35 and 134,763

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Solution

The fourth proportional to 235,345.56, 324,775.35 and 134,763 is: 185,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,345.56 : 324,775.35 = 134,763 : x
  2. Step 2: Convert to fraction form
    235,345.56/324,775.35 = 134,763/x
  3. Step 3: Cross multiply
    235,345.56x = 324,775.35 × 134,763
  4. Step 4: Simplify right side
    235,345.56x = 43,767,700,492.05
  5. Step 5: Solve for x
    x = 43,767,700,492.05/235,345.56
  6. Step 6: Final answer
    x = 185,972.07

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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.