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Finding the Fourth Proportional to 107,482.51, 161,223.56 and 28,596.75

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Solution

The fourth proportional to 107,482.51, 161,223.56 and 28,596.75 is: 42,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,482.51 : 161,223.56 = 28,596.75 : x
  2. Step 2: Convert to fraction form
    107,482.51/161,223.56 = 28,596.75/x
  3. Step 3: Cross multiply
    107,482.51x = 161,223.56 × 28,596.75
  4. Step 4: Simplify right side
    107,482.51x = 4,610,469,839.43
  5. Step 5: Solve for x
    x = 4,610,469,839.43/107,482.51
  6. Step 6: Final answer
    x = 42,895.07

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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.