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Finding the Fourth Proportional to 251,341.89, 377,009.55 and 61,803.90

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Solution

The fourth proportional to 251,341.89, 377,009.55 and 61,803.90 is: 92,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,341.89 : 377,009.55 = 61,803.90 : x
  2. Step 2: Convert to fraction form
    251,341.89/377,009.55 = 61,803.90/x
  3. Step 3: Cross multiply
    251,341.89x = 377,009.55 × 61,803.90
  4. Step 4: Simplify right side
    251,341.89x = 23,300,660,083.99
  5. Step 5: Solve for x
    x = 23,300,660,083.99/251,341.89
  6. Step 6: Final answer
    x = 92,705.04

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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.