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Finding the Fourth Proportional to 236,614.58, 354,710.35 and 86,820.12

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Solution

The fourth proportional to 236,614.58, 354,710.35 and 86,820.12 is: 130,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,614.58 : 354,710.35 = 86,820.12 : x
  2. Step 2: Convert to fraction form
    236,614.58/354,710.35 = 86,820.12/x
  3. Step 3: Cross multiply
    236,614.58x = 354,710.35 × 86,820.12
  4. Step 4: Simplify right side
    236,614.58x = 30,795,995,152.24
  5. Step 5: Solve for x
    x = 30,795,995,152.24/236,614.58
  6. Step 6: Final answer
    x = 130,152.57

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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.