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Finding the Fourth Proportional to 104,791.68, 144,575.01 and 70,344.81

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Solution

The fourth proportional to 104,791.68, 144,575.01 and 70,344.81 is: 97,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,791.68 : 144,575.01 = 70,344.81 : x
  2. Step 2: Convert to fraction form
    104,791.68/144,575.01 = 70,344.81/x
  3. Step 3: Cross multiply
    104,791.68x = 144,575.01 × 70,344.81
  4. Step 4: Simplify right side
    104,791.68x = 10,170,101,609.20
  5. Step 5: Solve for x
    x = 10,170,101,609.20/104,791.68
  6. Step 6: Final answer
    x = 97,050.66

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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.