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Finding the Fourth Proportional to 237,135.20, 355,670.40 and 70,923.20

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Solution

The fourth proportional to 237,135.20, 355,670.40 and 70,923.20 is: 106,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,135.20 : 355,670.40 = 70,923.20 : x
  2. Step 2: Convert to fraction form
    237,135.20/355,670.40 = 70,923.20/x
  3. Step 3: Cross multiply
    237,135.20x = 355,670.40 × 70,923.20
  4. Step 4: Simplify right side
    237,135.20x = 25,225,282,913.28
  5. Step 5: Solve for x
    x = 25,225,282,913.28/237,135.20
  6. Step 6: Final answer
    x = 106,375.11

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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.