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Finding the Fourth Proportional to 245,349.34, 368,024.02 and 67,856.35

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Solution

The fourth proportional to 245,349.34, 368,024.02 and 67,856.35 is: 101,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,349.34 : 368,024.02 = 67,856.35 : x
  2. Step 2: Convert to fraction form
    245,349.34/368,024.02 = 67,856.35/x
  3. Step 3: Cross multiply
    245,349.34x = 368,024.02 × 67,856.35
  4. Step 4: Simplify right side
    245,349.34x = 24,972,766,370.25
  5. Step 5: Solve for x
    x = 24,972,766,370.25/245,349.34
  6. Step 6: Final answer
    x = 101,784.53

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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.