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Finding the Fourth Proportional to 73,168.80, 100,971.48 and 41,339.04

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Solution

The fourth proportional to 73,168.80, 100,971.48 and 41,339.04 is: 57,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,168.80 : 100,971.48 = 41,339.04 : x
  2. Step 2: Convert to fraction form
    73,168.80/100,971.48 = 41,339.04/x
  3. Step 3: Cross multiply
    73,168.80x = 100,971.48 × 41,339.04
  4. Step 4: Simplify right side
    73,168.80x = 4,174,064,050.58
  5. Step 5: Solve for x
    x = 4,174,064,050.58/73,168.80
  6. Step 6: Final answer
    x = 57,047.05

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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.