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Finding the Fourth Proportional to 528,148.44, 792,166.50 and 149,059.80

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Solution

The fourth proportional to 528,148.44, 792,166.50 and 149,059.80 is: 223,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,148.44 : 792,166.50 = 149,059.80 : x
  2. Step 2: Convert to fraction form
    528,148.44/792,166.50 = 149,059.80/x
  3. Step 3: Cross multiply
    528,148.44x = 792,166.50 × 149,059.80
  4. Step 4: Simplify right side
    528,148.44x = 118,080,180,056.70
  5. Step 5: Solve for x
    x = 118,080,180,056.70/528,148.44
  6. Step 6: Final answer
    x = 223,573.85

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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.