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Finding the Fourth Proportional to 70,496.13, 105,710.58 and 40,922.22

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Solution

The fourth proportional to 70,496.13, 105,710.58 and 40,922.22 is: 61,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,496.13 : 105,710.58 = 40,922.22 : x
  2. Step 2: Convert to fraction form
    70,496.13/105,710.58 = 40,922.22/x
  3. Step 3: Cross multiply
    70,496.13x = 105,710.58 × 40,922.22
  4. Step 4: Simplify right side
    70,496.13x = 4,325,911,611.09
  5. Step 5: Solve for x
    x = 4,325,911,611.09/70,496.13
  6. Step 6: Final answer
    x = 61,363.82

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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.