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Finding the Fourth Proportional to 236,523.60, 354,785.40 and 86,714.10

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Solution

The fourth proportional to 236,523.60, 354,785.40 and 86,714.10 is: 130,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,523.60 : 354,785.40 = 86,714.10 : x
  2. Step 2: Convert to fraction form
    236,523.60/354,785.40 = 86,714.10/x
  3. Step 3: Cross multiply
    236,523.60x = 354,785.40 × 86,714.10
  4. Step 4: Simplify right side
    236,523.60x = 30,764,896,654.14
  5. Step 5: Solve for x
    x = 30,764,896,654.14/236,523.60
  6. Step 6: Final answer
    x = 130,071.15

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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.