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Finding the Fourth Proportional to 251,675.16, 377,510.70 and 118,482.75

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Solution

The fourth proportional to 251,675.16, 377,510.70 and 118,482.75 is: 177,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,675.16 : 377,510.70 = 118,482.75 : x
  2. Step 2: Convert to fraction form
    251,675.16/377,510.70 = 118,482.75/x
  3. Step 3: Cross multiply
    251,675.16x = 377,510.70 × 118,482.75
  4. Step 4: Simplify right side
    251,675.16x = 44,728,505,890.43
  5. Step 5: Solve for x
    x = 44,728,505,890.43/251,675.16
  6. Step 6: Final answer
    x = 177,723.16

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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.