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Finding the Fourth Proportional to 99,706.95, 149,516.64 and 37,333.71

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Solution

The fourth proportional to 99,706.95, 149,516.64 and 37,333.71 is: 55,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,706.95 : 149,516.64 = 37,333.71 : x
  2. Step 2: Convert to fraction form
    99,706.95/149,516.64 = 37,333.71/x
  3. Step 3: Cross multiply
    99,706.95x = 149,516.64 × 37,333.71
  4. Step 4: Simplify right side
    99,706.95x = 5,582,010,877.93
  5. Step 5: Solve for x
    x = 5,582,010,877.93/99,706.95
  6. Step 6: Final answer
    x = 55,984.17

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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.