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Finding the Fourth Proportional to 122,599.48, 183,768.54 and 69,895.48

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Solution

The fourth proportional to 122,599.48, 183,768.54 and 69,895.48 is: 104,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,599.48 : 183,768.54 = 69,895.48 : x
  2. Step 2: Convert to fraction form
    122,599.48/183,768.54 = 69,895.48/x
  3. Step 3: Cross multiply
    122,599.48x = 183,768.54 × 69,895.48
  4. Step 4: Simplify right side
    122,599.48x = 12,844,590,312.20
  5. Step 5: Solve for x
    x = 12,844,590,312.20/122,599.48
  6. Step 6: Final answer
    x = 104,768.72

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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.