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Finding the Fourth Proportional to 362,693.40, 544,039.68 and 126,036.10

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Solution

The fourth proportional to 362,693.40, 544,039.68 and 126,036.10 is: 189,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,693.40 : 544,039.68 = 126,036.10 : x
  2. Step 2: Convert to fraction form
    362,693.40/544,039.68 = 126,036.10/x
  3. Step 3: Cross multiply
    362,693.40x = 544,039.68 × 126,036.10
  4. Step 4: Simplify right side
    362,693.40x = 68,568,639,512.45
  5. Step 5: Solve for x
    x = 68,568,639,512.45/362,693.40
  6. Step 6: Final answer
    x = 189,054.00

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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.