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Finding the Fourth Proportional to 251,674.66, 377,509.95 and 118,482.25

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Solution

The fourth proportional to 251,674.66, 377,509.95 and 118,482.25 is: 177,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,674.66 : 377,509.95 = 118,482.25 : x
  2. Step 2: Convert to fraction form
    251,674.66/377,509.95 = 118,482.25/x
  3. Step 3: Cross multiply
    251,674.66x = 377,509.95 × 118,482.25
  4. Step 4: Simplify right side
    251,674.66x = 44,728,228,273.39
  5. Step 5: Solve for x
    x = 44,728,228,273.39/251,674.66
  6. Step 6: Final answer
    x = 177,722.41

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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.