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Finding the Fourth Proportional to 122,473.50, 183,740.97 and 34,921.50

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Solution

The fourth proportional to 122,473.50, 183,740.97 and 34,921.50 is: 52,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,473.50 : 183,740.97 = 34,921.50 : x
  2. Step 2: Convert to fraction form
    122,473.50/183,740.97 = 34,921.50/x
  3. Step 3: Cross multiply
    122,473.50x = 183,740.97 × 34,921.50
  4. Step 4: Simplify right side
    122,473.50x = 6,416,510,283.86
  5. Step 5: Solve for x
    x = 6,416,510,283.86/122,473.50
  6. Step 6: Final answer
    x = 52,391.01

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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.