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Finding the Fourth Proportional to 111,657.76, 167,392.47 and 48,430.26

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Solution

The fourth proportional to 111,657.76, 167,392.47 and 48,430.26 is: 72,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,657.76 : 167,392.47 = 48,430.26 : x
  2. Step 2: Convert to fraction form
    111,657.76/167,392.47 = 48,430.26/x
  3. Step 3: Cross multiply
    111,657.76x = 167,392.47 × 48,430.26
  4. Step 4: Simplify right side
    111,657.76x = 8,106,859,765.03
  5. Step 5: Solve for x
    x = 8,106,859,765.03/111,657.76
  6. Step 6: Final answer
    x = 72,604.54

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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.