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Finding the Fourth Proportional to 107,356, 161,051.60 and 44,158.99

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Solution

The fourth proportional to 107,356, 161,051.60 and 44,158.99 is: 66,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,356 : 161,051.60 = 44,158.99 : x
  2. Step 2: Convert to fraction form
    107,356/161,051.60 = 44,158.99/x
  3. Step 3: Cross multiply
    107,356x = 161,051.60 × 44,158.99
  4. Step 4: Simplify right side
    107,356x = 7,111,875,993.88
  5. Step 5: Solve for x
    x = 7,111,875,993.88/107,356
  6. Step 6: Final answer
    x = 66,245.72

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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.