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Finding the Fourth Proportional to 152,426.00, 210,326.83 and 84,426.10

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Solution

The fourth proportional to 152,426.00, 210,326.83 and 84,426.10 is: 116,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,426.00 : 210,326.83 = 84,426.10 : x
  2. Step 2: Convert to fraction form
    152,426.00/210,326.83 = 84,426.10/x
  3. Step 3: Cross multiply
    152,426.00x = 210,326.83 × 84,426.10
  4. Step 4: Simplify right side
    152,426.00x = 17,757,073,245.38
  5. Step 5: Solve for x
    x = 17,757,073,245.38/152,426.00
  6. Step 6: Final answer
    x = 116,496.35

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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.