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Finding the Fourth Proportional to 69,737.40, 104,490.90 and 59,369.40

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Solution

The fourth proportional to 69,737.40, 104,490.90 and 59,369.40 is: 88,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,737.40 : 104,490.90 = 59,369.40 : x
  2. Step 2: Convert to fraction form
    69,737.40/104,490.90 = 59,369.40/x
  3. Step 3: Cross multiply
    69,737.40x = 104,490.90 × 59,369.40
  4. Step 4: Simplify right side
    69,737.40x = 6,203,562,038.46
  5. Step 5: Solve for x
    x = 6,203,562,038.46/69,737.40
  6. Step 6: Final answer
    x = 88,956.03

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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.