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Finding the Fourth Proportional to 350,051.64, 525,081.78 and 110,157.72

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Solution

The fourth proportional to 350,051.64, 525,081.78 and 110,157.72 is: 165,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,051.64 : 525,081.78 = 110,157.72 : x
  2. Step 2: Convert to fraction form
    350,051.64/525,081.78 = 110,157.72/x
  3. Step 3: Cross multiply
    350,051.64x = 525,081.78 × 110,157.72
  4. Step 4: Simplify right side
    350,051.64x = 57,841,811,698.34
  5. Step 5: Solve for x
    x = 57,841,811,698.34/350,051.64
  6. Step 6: Final answer
    x = 165,237.94

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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.