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Finding the Fourth Proportional to 251,289.34, 376,392.72 and 117,969.82

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Solution

The fourth proportional to 251,289.34, 376,392.72 and 117,969.82 is: 176,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,289.34 : 376,392.72 = 117,969.82 : x
  2. Step 2: Convert to fraction form
    251,289.34/376,392.72 = 117,969.82/x
  3. Step 3: Cross multiply
    251,289.34x = 376,392.72 × 117,969.82
  4. Step 4: Simplify right side
    251,289.34x = 44,402,980,929.12
  5. Step 5: Solve for x
    x = 44,402,980,929.12/251,289.34
  6. Step 6: Final answer
    x = 176,700.62

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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.