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Finding the Fourth Proportional to 150,174.76, 207,158.16 and 96,467.72

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Solution

The fourth proportional to 150,174.76, 207,158.16 and 96,467.72 is: 133,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,174.76 : 207,158.16 = 96,467.72 : x
  2. Step 2: Convert to fraction form
    150,174.76/207,158.16 = 96,467.72/x
  3. Step 3: Cross multiply
    150,174.76x = 207,158.16 × 96,467.72
  4. Step 4: Simplify right side
    150,174.76x = 19,984,075,374.60
  5. Step 5: Solve for x
    x = 19,984,075,374.60/150,174.76
  6. Step 6: Final answer
    x = 133,072.13

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Why These Related Problems?

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