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Finding the Fourth Proportional to 70,141.68, 105,213.48 and 23,394.60

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Solution

The fourth proportional to 70,141.68, 105,213.48 and 23,394.60 is: 35,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,141.68 : 105,213.48 = 23,394.60 : x
  2. Step 2: Convert to fraction form
    70,141.68/105,213.48 = 23,394.60/x
  3. Step 3: Cross multiply
    70,141.68x = 105,213.48 × 23,394.60
  4. Step 4: Simplify right side
    70,141.68x = 2,461,427,279.21
  5. Step 5: Solve for x
    x = 2,461,427,279.21/70,141.68
  6. Step 6: Final answer
    x = 35,092.22

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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.