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Finding the Fourth Proportional to 251,341.75, 377,009.34 and 61,803.76

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Solution

The fourth proportional to 251,341.75, 377,009.34 and 61,803.76 is: 92,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,341.75 : 377,009.34 = 61,803.76 : x
  2. Step 2: Convert to fraction form
    251,341.75/377,009.34 = 61,803.76/x
  3. Step 3: Cross multiply
    251,341.75x = 377,009.34 × 61,803.76
  4. Step 4: Simplify right side
    251,341.75x = 23,300,594,030.14
  5. Step 5: Solve for x
    x = 23,300,594,030.14/251,341.75
  6. Step 6: Final answer
    x = 92,704.83

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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.