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Finding the Fourth Proportional to 93,807, 129,453.48 and 51,365.88

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Solution

The fourth proportional to 93,807, 129,453.48 and 51,365.88 is: 70,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,807 : 129,453.48 = 51,365.88 : x
  2. Step 2: Convert to fraction form
    93,807/129,453.48 = 51,365.88/x
  3. Step 3: Cross multiply
    93,807x = 129,453.48 × 51,365.88
  4. Step 4: Simplify right side
    93,807x = 6,649,491,919.26
  5. Step 5: Solve for x
    x = 6,649,491,919.26/93,807
  6. Step 6: Final answer
    x = 70,884.82

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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.