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Finding the Fourth Proportional to 73,698.42, 101,704.16 and 41,869.07

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Solution

The fourth proportional to 73,698.42, 101,704.16 and 41,869.07 is: 57,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.42 : 101,704.16 = 41,869.07 : x
  2. Step 2: Convert to fraction form
    73,698.42/101,704.16 = 41,869.07/x
  3. Step 3: Cross multiply
    73,698.42x = 101,704.16 × 41,869.07
  4. Step 4: Simplify right side
    73,698.42x = 4,258,258,571.87
  5. Step 5: Solve for x
    x = 4,258,258,571.87/73,698.42
  6. Step 6: Final answer
    x = 57,779.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.