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Finding the Fourth Proportional to 104,737.48, 144,535.38 and 56,990.94

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Solution

The fourth proportional to 104,737.48, 144,535.38 and 56,990.94 is: 78,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,737.48 : 144,535.38 = 56,990.94 : x
  2. Step 2: Convert to fraction form
    104,737.48/144,535.38 = 56,990.94/x
  3. Step 3: Cross multiply
    104,737.48x = 144,535.38 × 56,990.94
  4. Step 4: Simplify right side
    104,737.48x = 8,237,207,169.46
  5. Step 5: Solve for x
    x = 8,237,207,169.46/104,737.48
  6. Step 6: Final answer
    x = 78,646.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.