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Finding the Fourth Proportional to 122,303.34, 183,473.19 and 43,410.96

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Solution

The fourth proportional to 122,303.34, 183,473.19 and 43,410.96 is: 65,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,303.34 : 183,473.19 = 43,410.96 : x
  2. Step 2: Convert to fraction form
    122,303.34/183,473.19 = 43,410.96/x
  3. Step 3: Cross multiply
    122,303.34x = 183,473.19 × 43,410.96
  4. Step 4: Simplify right side
    122,303.34x = 7,964,747,312.16
  5. Step 5: Solve for x
    x = 7,964,747,312.16/122,303.34
  6. Step 6: Final answer
    x = 65,122.89

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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.