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Finding the Fourth Proportional to 236,564.52, 354,826.48 and 86,798.76

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Solution

The fourth proportional to 236,564.52, 354,826.48 and 86,798.76 is: 130,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,564.52 : 354,826.48 = 86,798.76 : x
  2. Step 2: Convert to fraction form
    236,564.52/354,826.48 = 86,798.76/x
  3. Step 3: Cross multiply
    236,564.52x = 354,826.48 × 86,798.76
  4. Step 4: Simplify right side
    236,564.52x = 30,798,498,479.16
  5. Step 5: Solve for x
    x = 30,798,498,479.16/236,564.52
  6. Step 6: Final answer
    x = 130,190.69

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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.