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Finding the Fourth Proportional to 54,445.44, 81,737.28 and 46,289.28

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Solution

The fourth proportional to 54,445.44, 81,737.28 and 46,289.28 is: 69,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.44 : 81,737.28 = 46,289.28 : x
  2. Step 2: Convert to fraction form
    54,445.44/81,737.28 = 46,289.28/x
  3. Step 3: Cross multiply
    54,445.44x = 81,737.28 × 46,289.28
  4. Step 4: Simplify right side
    54,445.44x = 3,783,559,840.36
  5. Step 5: Solve for x
    x = 3,783,559,840.36/54,445.44
  6. Step 6: Final answer
    x = 69,492.69

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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.