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Finding the Fourth Proportional to 104,489.79, 144,240.06 and 70,544.26

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Solution

The fourth proportional to 104,489.79, 144,240.06 and 70,544.26 is: 97,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,489.79 : 144,240.06 = 70,544.26 : x
  2. Step 2: Convert to fraction form
    104,489.79/144,240.06 = 70,544.26/x
  3. Step 3: Cross multiply
    104,489.79x = 144,240.06 × 70,544.26
  4. Step 4: Simplify right side
    104,489.79x = 10,175,308,343.09
  5. Step 5: Solve for x
    x = 10,175,308,343.09/104,489.79
  6. Step 6: Final answer
    x = 97,380.88

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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.