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Finding the Fourth Proportional to 160,790.72, 240,014.98 and 148,932.32

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Solution

The fourth proportional to 160,790.72, 240,014.98 and 148,932.32 is: 222,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,790.72 : 240,014.98 = 148,932.32 : x
  2. Step 2: Convert to fraction form
    160,790.72/240,014.98 = 148,932.32/x
  3. Step 3: Cross multiply
    160,790.72x = 240,014.98 × 148,932.32
  4. Step 4: Simplify right side
    160,790.72x = 35,745,987,806.15
  5. Step 5: Solve for x
    x = 35,745,987,806.15/160,790.72
  6. Step 6: Final answer
    x = 222,313.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.