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Finding the Fourth Proportional to 122,295.83, 183,461.96 and 43,403.45

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Solution

The fourth proportional to 122,295.83, 183,461.96 and 43,403.45 is: 65,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,295.83 : 183,461.96 = 43,403.45 : x
  2. Step 2: Convert to fraction form
    122,295.83/183,461.96 = 43,403.45/x
  3. Step 3: Cross multiply
    122,295.83x = 183,461.96 × 43,403.45
  4. Step 4: Simplify right side
    122,295.83x = 7,962,881,198.96
  5. Step 5: Solve for x
    x = 7,962,881,198.96/122,295.83
  6. Step 6: Final answer
    x = 65,111.64

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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.