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Finding the Fourth Proportional to 70,107.21, 105,073.34 and 35,056.89

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Solution

The fourth proportional to 70,107.21, 105,073.34 and 35,056.89 is: 52,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,107.21 : 105,073.34 = 35,056.89 : x
  2. Step 2: Convert to fraction form
    70,107.21/105,073.34 = 35,056.89/x
  3. Step 3: Cross multiply
    70,107.21x = 105,073.34 × 35,056.89
  4. Step 4: Simplify right side
    70,107.21x = 3,683,544,347.03
  5. Step 5: Solve for x
    x = 3,683,544,347.03/70,107.21
  6. Step 6: Final answer
    x = 52,541.59

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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.