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Finding the Fourth Proportional to 152,873.87, 210,958.84 and 84,895.16

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Solution

The fourth proportional to 152,873.87, 210,958.84 and 84,895.16 is: 117,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,873.87 : 210,958.84 = 84,895.16 : x
  2. Step 2: Convert to fraction form
    152,873.87/210,958.84 = 84,895.16/x
  3. Step 3: Cross multiply
    152,873.87x = 210,958.84 × 84,895.16
  4. Step 4: Simplify right side
    152,873.87x = 17,909,383,526.54
  5. Step 5: Solve for x
    x = 17,909,383,526.54/152,873.87
  6. Step 6: Final answer
    x = 117,151.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.