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Finding the Fourth Proportional to 236,296.50, 325,904.84 and 151,421.46

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Solution

The fourth proportional to 236,296.50, 325,904.84 and 151,421.46 is: 208,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,296.50 : 325,904.84 = 151,421.46 : x
  2. Step 2: Convert to fraction form
    236,296.50/325,904.84 = 151,421.46/x
  3. Step 3: Cross multiply
    236,296.50x = 325,904.84 × 151,421.46
  4. Step 4: Simplify right side
    236,296.50x = 49,348,986,693.87
  5. Step 5: Solve for x
    x = 49,348,986,693.87/236,296.50
  6. Step 6: Final answer
    x = 208,843.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.