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Finding the Fourth Proportional to 93,889.41, 129,565.41 and 51,445.22

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Solution

The fourth proportional to 93,889.41, 129,565.41 and 51,445.22 is: 70,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,889.41 : 129,565.41 = 51,445.22 : x
  2. Step 2: Convert to fraction form
    93,889.41/129,565.41 = 51,445.22/x
  3. Step 3: Cross multiply
    93,889.41x = 129,565.41 × 51,445.22
  4. Step 4: Simplify right side
    93,889.41x = 6,665,520,374.01
  5. Step 5: Solve for x
    x = 6,665,520,374.01/93,889.41
  6. Step 6: Final answer
    x = 70,993.31

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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.