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Finding the Fourth Proportional to 223,901.48, 308,971.14 and 134,460.20

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Solution

The fourth proportional to 223,901.48, 308,971.14 and 134,460.20 is: 185,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,901.48 : 308,971.14 = 134,460.20 : x
  2. Step 2: Convert to fraction form
    223,901.48/308,971.14 = 134,460.20/x
  3. Step 3: Cross multiply
    223,901.48x = 308,971.14 × 134,460.20
  4. Step 4: Simplify right side
    223,901.48x = 41,544,321,278.63
  5. Step 5: Solve for x
    x = 41,544,321,278.63/223,901.48
  6. Step 6: Final answer
    x = 185,547.33

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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.