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Finding the Fourth Proportional to 66,856.23, 100,058.30 and 65,057.10

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Solution

The fourth proportional to 66,856.23, 100,058.30 and 65,057.10 is: 97,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,856.23 : 100,058.30 = 65,057.10 : x
  2. Step 2: Convert to fraction form
    66,856.23/100,058.30 = 65,057.10/x
  3. Step 3: Cross multiply
    66,856.23x = 100,058.30 × 65,057.10
  4. Step 4: Simplify right side
    66,856.23x = 6,509,502,491.28
  5. Step 5: Solve for x
    x = 6,509,502,491.28/66,856.23
  6. Step 6: Final answer
    x = 97,365.68

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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.