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Finding the Fourth Proportional to 111,775.40, 167,658.30 and 37,903.40

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Solution

The fourth proportional to 111,775.40, 167,658.30 and 37,903.40 is: 56,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,775.40 : 167,658.30 = 37,903.40 : x
  2. Step 2: Convert to fraction form
    111,775.40/167,658.30 = 37,903.40/x
  3. Step 3: Cross multiply
    111,775.40x = 167,658.30 × 37,903.40
  4. Step 4: Simplify right side
    111,775.40x = 6,354,819,608.22
  5. Step 5: Solve for x
    x = 6,354,819,608.22/111,775.40
  6. Step 6: Final answer
    x = 56,853.47

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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.