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Finding the Fourth Proportional to 65,856.54, 98,784.66 and 50,885.41

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Solution

The fourth proportional to 65,856.54, 98,784.66 and 50,885.41 is: 76,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856.54 : 98,784.66 = 50,885.41 : x
  2. Step 2: Convert to fraction form
    65,856.54/98,784.66 = 50,885.41/x
  3. Step 3: Cross multiply
    65,856.54x = 98,784.66 × 50,885.41
  4. Step 4: Simplify right side
    65,856.54x = 5,026,697,802.33
  5. Step 5: Solve for x
    x = 5,026,697,802.33/65,856.54
  6. Step 6: Final answer
    x = 76,328.00

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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.