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Finding the Fourth Proportional to 236,440.04, 354,713.52 and 78,674.72

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Solution

The fourth proportional to 236,440.04, 354,713.52 and 78,674.72 is: 118,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,440.04 : 354,713.52 = 78,674.72 : x
  2. Step 2: Convert to fraction form
    236,440.04/354,713.52 = 78,674.72/x
  3. Step 3: Cross multiply
    236,440.04x = 354,713.52 × 78,674.72
  4. Step 4: Simplify right side
    236,440.04x = 27,906,986,866.21
  5. Step 5: Solve for x
    x = 27,906,986,866.21/236,440.04
  6. Step 6: Final answer
    x = 118,029.87

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1.5x scale

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.