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Finding the Fourth Proportional to 235,856.76, 353,840.48 and 67,379.50

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Solution

The fourth proportional to 235,856.76, 353,840.48 and 67,379.50 is: 101,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,856.76 : 353,840.48 = 67,379.50 : x
  2. Step 2: Convert to fraction form
    235,856.76/353,840.48 = 67,379.50/x
  3. Step 3: Cross multiply
    235,856.76x = 353,840.48 × 67,379.50
  4. Step 4: Simplify right side
    235,856.76x = 23,841,594,622.16
  5. Step 5: Solve for x
    x = 23,841,594,622.16/235,856.76
  6. Step 6: Final answer
    x = 101,085.06

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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.