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Finding the Fourth Proportional to 236,502.10, 354,643.80 and 103,313.80

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Solution

The fourth proportional to 236,502.10, 354,643.80 and 103,313.80 is: 154,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,502.10 : 354,643.80 = 103,313.80 : x
  2. Step 2: Convert to fraction form
    236,502.10/354,643.80 = 103,313.80/x
  3. Step 3: Cross multiply
    236,502.10x = 354,643.80 × 103,313.80
  4. Step 4: Simplify right side
    236,502.10x = 36,639,598,624.44
  5. Step 5: Solve for x
    x = 36,639,598,624.44/236,502.10
  6. Step 6: Final answer
    x = 154,922.93

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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.