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Finding the Fourth Proportional to 148,311, 222,494.45 and 59,571.45

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Solution

The fourth proportional to 148,311, 222,494.45 and 59,571.45 is: 89,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,311 : 222,494.45 = 59,571.45 : x
  2. Step 2: Convert to fraction form
    148,311/222,494.45 = 59,571.45/x
  3. Step 3: Cross multiply
    148,311x = 222,494.45 × 59,571.45
  4. Step 4: Simplify right side
    148,311x = 13,254,316,705.60
  5. Step 5: Solve for x
    x = 13,254,316,705.60/148,311
  6. Step 6: Final answer
    x = 89,368.40

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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.