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Finding the Fourth Proportional to 163,903.12, 245,896.92 and 89,004.04

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Solution

The fourth proportional to 163,903.12, 245,896.92 and 89,004.04 is: 133,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,903.12 : 245,896.92 = 89,004.04 : x
  2. Step 2: Convert to fraction form
    163,903.12/245,896.92 = 89,004.04/x
  3. Step 3: Cross multiply
    163,903.12x = 245,896.92 × 89,004.04
  4. Step 4: Simplify right side
    163,903.12x = 21,885,819,303.56
  5. Step 5: Solve for x
    x = 21,885,819,303.56/163,903.12
  6. Step 6: Final answer
    x = 133,529.00

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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.