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Finding the Fourth Proportional to 223,575.26, 308,530.80 and 121,598.52

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Solution

The fourth proportional to 223,575.26, 308,530.80 and 121,598.52 is: 167,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,575.26 : 308,530.80 = 121,598.52 : x
  2. Step 2: Convert to fraction form
    223,575.26/308,530.80 = 121,598.52/x
  3. Step 3: Cross multiply
    223,575.26x = 308,530.80 × 121,598.52
  4. Step 4: Simplify right side
    223,575.26x = 37,516,888,654.42
  5. Step 5: Solve for x
    x = 37,516,888,654.42/223,575.26
  6. Step 6: Final answer
    x = 167,804.29

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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.