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Finding the Fourth Proportional to 251,755.86, 377,597.32 and 74,254.08

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Solution

The fourth proportional to 251,755.86, 377,597.32 and 74,254.08 is: 111,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,755.86 : 377,597.32 = 74,254.08 : x
  2. Step 2: Convert to fraction form
    251,755.86/377,597.32 = 74,254.08/x
  3. Step 3: Cross multiply
    251,755.86x = 377,597.32 × 74,254.08
  4. Step 4: Simplify right side
    251,755.86x = 28,038,141,607.07
  5. Step 5: Solve for x
    x = 28,038,141,607.07/251,755.86
  6. Step 6: Final answer
    x = 111,370.36

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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.