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Finding the Fourth Proportional to 237,134.80, 355,580.60 and 70,901.20

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Solution

The fourth proportional to 237,134.80, 355,580.60 and 70,901.20 is: 106,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,134.80 : 355,580.60 = 70,901.20 : x
  2. Step 2: Convert to fraction form
    237,134.80/355,580.60 = 70,901.20/x
  3. Step 3: Cross multiply
    237,134.80x = 355,580.60 × 70,901.20
  4. Step 4: Simplify right side
    237,134.80x = 25,211,091,236.72
  5. Step 5: Solve for x
    x = 25,211,091,236.72/237,134.80
  6. Step 6: Final answer
    x = 106,315.44

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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.