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Finding the Fourth Proportional to 99,792.93, 149,688.81 and 24,912.93

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Solution

The fourth proportional to 99,792.93, 149,688.81 and 24,912.93 is: 37,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792.93 : 149,688.81 = 24,912.93 : x
  2. Step 2: Convert to fraction form
    99,792.93/149,688.81 = 24,912.93/x
  3. Step 3: Cross multiply
    99,792.93x = 149,688.81 × 24,912.93
  4. Step 4: Simplify right side
    99,792.93x = 3,729,186,845.31
  5. Step 5: Solve for x
    x = 3,729,186,845.31/99,792.93
  6. Step 6: Final answer
    x = 37,369.25

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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.