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Finding the Fourth Proportional to 183,385.98, 275,055.57 and 70,989.28

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Solution

The fourth proportional to 183,385.98, 275,055.57 and 70,989.28 is: 106,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,385.98 : 275,055.57 = 70,989.28 : x
  2. Step 2: Convert to fraction form
    183,385.98/275,055.57 = 70,989.28/x
  3. Step 3: Cross multiply
    183,385.98x = 275,055.57 × 70,989.28
  4. Step 4: Simplify right side
    183,385.98x = 19,525,996,186.65
  5. Step 5: Solve for x
    x = 19,525,996,186.65/183,385.98
  6. Step 6: Final answer
    x = 106,474.86

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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.