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Finding the Fourth Proportional to 122,094.70, 183,174.45 and 43,200.70

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Solution

The fourth proportional to 122,094.70, 183,174.45 and 43,200.70 is: 64,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,094.70 : 183,174.45 = 43,200.70 : x
  2. Step 2: Convert to fraction form
    122,094.70/183,174.45 = 43,200.70/x
  3. Step 3: Cross multiply
    122,094.70x = 183,174.45 × 43,200.70
  4. Step 4: Simplify right side
    122,094.70x = 7,913,264,462.12
  5. Step 5: Solve for x
    x = 7,913,264,462.12/122,094.70
  6. Step 6: Final answer
    x = 64,812.51

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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.