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Finding the Fourth Proportional to 122,317.84, 183,495 and 43,425.48

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Solution

The fourth proportional to 122,317.84, 183,495 and 43,425.48 is: 65,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,317.84 : 183,495 = 43,425.48 : x
  2. Step 2: Convert to fraction form
    122,317.84/183,495 = 43,425.48/x
  3. Step 3: Cross multiply
    122,317.84x = 183,495 × 43,425.48
  4. Step 4: Simplify right side
    122,317.84x = 7,968,358,452.60
  5. Step 5: Solve for x
    x = 7,968,358,452.60/122,317.84
  6. Step 6: Final answer
    x = 65,144.70

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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.