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Finding the Fourth Proportional to 251,670.36, 377,570.88 and 93,900

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Solution

The fourth proportional to 251,670.36, 377,570.88 and 93,900 is: 140,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,670.36 : 377,570.88 = 93,900 : x
  2. Step 2: Convert to fraction form
    251,670.36/377,570.88 = 93,900/x
  3. Step 3: Cross multiply
    251,670.36x = 377,570.88 × 93,900
  4. Step 4: Simplify right side
    251,670.36x = 35,453,905,632
  5. Step 5: Solve for x
    x = 35,453,905,632/251,670.36
  6. Step 6: Final answer
    x = 140,874.38

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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.