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Finding the Fourth Proportional to 70,423.42, 105,564.01 and 44,146.58

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Solution

The fourth proportional to 70,423.42, 105,564.01 and 44,146.58 is: 66,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,423.42 : 105,564.01 = 44,146.58 : x
  2. Step 2: Convert to fraction form
    70,423.42/105,564.01 = 44,146.58/x
  3. Step 3: Cross multiply
    70,423.42x = 105,564.01 × 44,146.58
  4. Step 4: Simplify right side
    70,423.42x = 4,660,290,012.59
  5. Step 5: Solve for x
    x = 4,660,290,012.59/70,423.42
  6. Step 6: Final answer
    x = 66,175.29

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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.