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Finding the Fourth Proportional to 101,478.96, 152,176.73 and 30,376.49

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Solution

The fourth proportional to 101,478.96, 152,176.73 and 30,376.49 is: 45,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,478.96 : 152,176.73 = 30,376.49 : x
  2. Step 2: Convert to fraction form
    101,478.96/152,176.73 = 30,376.49/x
  3. Step 3: Cross multiply
    101,478.96x = 152,176.73 × 30,376.49
  4. Step 4: Simplify right side
    101,478.96x = 4,622,594,004.31
  5. Step 5: Solve for x
    x = 4,622,594,004.31/101,478.96
  6. Step 6: Final answer
    x = 45,552.24

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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.