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Finding the Fourth Proportional to 148,355, 222,560.40 and 59,615.54

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Solution

The fourth proportional to 148,355, 222,560.40 and 59,615.54 is: 89,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,355 : 222,560.40 = 59,615.54 : x
  2. Step 2: Convert to fraction form
    148,355/222,560.40 = 59,615.54/x
  3. Step 3: Cross multiply
    148,355x = 222,560.40 × 59,615.54
  4. Step 4: Simplify right side
    148,355x = 13,268,058,428.62
  5. Step 5: Solve for x
    x = 13,268,058,428.62/148,355
  6. Step 6: Final answer
    x = 89,434.52

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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.