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Finding the Fourth Proportional to 525,890.53, 788,722.53 and 166,089.43

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Solution

The fourth proportional to 525,890.53, 788,722.53 and 166,089.43 is: 249,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,890.53 : 788,722.53 = 166,089.43 : x
  2. Step 2: Convert to fraction form
    525,890.53/788,722.53 = 166,089.43/x
  3. Step 3: Cross multiply
    525,890.53x = 788,722.53 × 166,089.43
  4. Step 4: Simplify right side
    525,890.53x = 130,998,475,435.86
  5. Step 5: Solve for x
    x = 130,998,475,435.86/525,890.53
  6. Step 6: Final answer
    x = 249,098.37

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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.