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Finding the Fourth Proportional to 236,370.69, 354,508.35 and 86,559.84

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Solution

The fourth proportional to 236,370.69, 354,508.35 and 86,559.84 is: 129,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,370.69 : 354,508.35 = 86,559.84 : x
  2. Step 2: Convert to fraction form
    236,370.69/354,508.35 = 86,559.84/x
  3. Step 3: Cross multiply
    236,370.69x = 354,508.35 × 86,559.84
  4. Step 4: Simplify right side
    236,370.69x = 30,686,185,730.06
  5. Step 5: Solve for x
    x = 30,686,185,730.06/236,370.69
  6. Step 6: Final answer
    x = 129,822.30

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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.