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Finding the Fourth Proportional to 148,509.08, 222,745.54 and 43,328.16

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Solution

The fourth proportional to 148,509.08, 222,745.54 and 43,328.16 is: 64,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,509.08 : 222,745.54 = 43,328.16 : x
  2. Step 2: Convert to fraction form
    148,509.08/222,745.54 = 43,328.16/x
  3. Step 3: Cross multiply
    148,509.08x = 222,745.54 × 43,328.16
  4. Step 4: Simplify right side
    148,509.08x = 9,651,154,396.41
  5. Step 5: Solve for x
    x = 9,651,154,396.41/148,509.08
  6. Step 6: Final answer
    x = 64,986.97

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1.5x scale

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.