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Finding the Fourth Proportional to 114,414.54, 157,890.06 and 63,427.02

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Solution

The fourth proportional to 114,414.54, 157,890.06 and 63,427.02 is: 87,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,414.54 : 157,890.06 = 63,427.02 : x
  2. Step 2: Convert to fraction form
    114,414.54/157,890.06 = 63,427.02/x
  3. Step 3: Cross multiply
    114,414.54x = 157,890.06 × 63,427.02
  4. Step 4: Simplify right side
    114,414.54x = 10,014,495,993.42
  5. Step 5: Solve for x
    x = 10,014,495,993.42/114,414.54
  6. Step 6: Final answer
    x = 87,528.18

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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.