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Finding the Fourth Proportional to 148,501.30, 222,751.95 and 53,731.30

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Solution

The fourth proportional to 148,501.30, 222,751.95 and 53,731.30 is: 80,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,501.30 : 222,751.95 = 53,731.30 : x
  2. Step 2: Convert to fraction form
    148,501.30/222,751.95 = 53,731.30/x
  3. Step 3: Cross multiply
    148,501.30x = 222,751.95 × 53,731.30
  4. Step 4: Simplify right side
    148,501.30x = 11,968,751,851.04
  5. Step 5: Solve for x
    x = 11,968,751,851.04/148,501.30
  6. Step 6: Final answer
    x = 80,596.95

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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.