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Finding the Fourth Proportional to 353,795.44, 530,763.20 and 101,078.12

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Solution

The fourth proportional to 353,795.44, 530,763.20 and 101,078.12 is: 151,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,795.44 : 530,763.20 = 101,078.12 : x
  2. Step 2: Convert to fraction form
    353,795.44/530,763.20 = 101,078.12/x
  3. Step 3: Cross multiply
    353,795.44x = 530,763.20 × 101,078.12
  4. Step 4: Simplify right side
    353,795.44x = 53,648,546,421.18
  5. Step 5: Solve for x
    x = 53,648,546,421.18/353,795.44
  6. Step 6: Final answer
    x = 151,637.19

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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.