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Finding the Fourth Proportional to 147,981.60, 222,004.80 and 59,212.80

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Solution

The fourth proportional to 147,981.60, 222,004.80 and 59,212.80 is: 88,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,981.60 : 222,004.80 = 59,212.80 : x
  2. Step 2: Convert to fraction form
    147,981.60/222,004.80 = 59,212.80/x
  3. Step 3: Cross multiply
    147,981.60x = 222,004.80 × 59,212.80
  4. Step 4: Simplify right side
    147,981.60x = 13,145,525,821.44
  5. Step 5: Solve for x
    x = 13,145,525,821.44/147,981.60
  6. Step 6: Final answer
    x = 88,832.16

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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.