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Finding the Fourth Proportional to 99,737.91, 149,477.58 and 40,504.77

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Solution

The fourth proportional to 99,737.91, 149,477.58 and 40,504.77 is: 60,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737.91 : 149,477.58 = 40,504.77 : x
  2. Step 2: Convert to fraction form
    99,737.91/149,477.58 = 40,504.77/x
  3. Step 3: Cross multiply
    99,737.91x = 149,477.58 × 40,504.77
  4. Step 4: Simplify right side
    99,737.91x = 6,054,554,998.06
  5. Step 5: Solve for x
    x = 6,054,554,998.06/99,737.91
  6. Step 6: Final answer
    x = 60,704.65

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1.5x scale

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.