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Finding the Fourth Proportional to 148,343, 222,542.40 and 59,603.60

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Solution

The fourth proportional to 148,343, 222,542.40 and 59,603.60 is: 89,416.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,343 : 222,542.40 = 59,603.60 : x
  2. Step 2: Convert to fraction form
    148,343/222,542.40 = 59,603.60/x
  3. Step 3: Cross multiply
    148,343x = 222,542.40 × 59,603.60
  4. Step 4: Simplify right side
    148,343x = 13,264,328,192.64
  5. Step 5: Solve for x
    x = 13,264,328,192.64/148,343
  6. Step 6: Final answer
    x = 89,416.61

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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.