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Finding the Fourth Proportional to 112,040.40, 168,125.40 and 41,926.80

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Solution

The fourth proportional to 112,040.40, 168,125.40 and 41,926.80 is: 62,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,040.40 : 168,125.40 = 41,926.80 : x
  2. Step 2: Convert to fraction form
    112,040.40/168,125.40 = 41,926.80/x
  3. Step 3: Cross multiply
    112,040.40x = 168,125.40 × 41,926.80
  4. Step 4: Simplify right side
    112,040.40x = 7,048,960,020.72
  5. Step 5: Solve for x
    x = 7,048,960,020.72/112,040.40
  6. Step 6: Final answer
    x = 62,914.45

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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.