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Finding the Fourth Proportional to 105,091.44, 157,632.74 and 48,912.22

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Solution

The fourth proportional to 105,091.44, 157,632.74 and 48,912.22 is: 73,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,091.44 : 157,632.74 = 48,912.22 : x
  2. Step 2: Convert to fraction form
    105,091.44/157,632.74 = 48,912.22/x
  3. Step 3: Cross multiply
    105,091.44x = 157,632.74 × 48,912.22
  4. Step 4: Simplify right side
    105,091.44x = 7,710,167,669.11
  5. Step 5: Solve for x
    x = 7,710,167,669.11/105,091.44
  6. Step 6: Final answer
    x = 73,366.28

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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.