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Finding the Fourth Proportional to 107,369.40, 161,054.10 and 95,559.60

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Solution

The fourth proportional to 107,369.40, 161,054.10 and 95,559.60 is: 143,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,369.40 : 161,054.10 = 95,559.60 : x
  2. Step 2: Convert to fraction form
    107,369.40/161,054.10 = 95,559.60/x
  3. Step 3: Cross multiply
    107,369.40x = 161,054.10 × 95,559.60
  4. Step 4: Simplify right side
    107,369.40x = 15,390,265,374.36
  5. Step 5: Solve for x
    x = 15,390,265,374.36/107,369.40
  6. Step 6: Final answer
    x = 143,339.40

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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.