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Finding the Fourth Proportional to 236,017.92, 354,078.72 and 130,990.08

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Solution

The fourth proportional to 236,017.92, 354,078.72 and 130,990.08 is: 196,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,017.92 : 354,078.72 = 130,990.08 : x
  2. Step 2: Convert to fraction form
    236,017.92/354,078.72 = 130,990.08/x
  3. Step 3: Cross multiply
    236,017.92x = 354,078.72 × 130,990.08
  4. Step 4: Simplify right side
    236,017.92x = 46,380,799,859.10
  5. Step 5: Solve for x
    x = 46,380,799,859.10/236,017.92
  6. Step 6: Final answer
    x = 196,513.89

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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.