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Finding the Fourth Proportional to 223,428.87, 308,035.55 and 185,047.02

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Solution

The fourth proportional to 223,428.87, 308,035.55 and 185,047.02 is: 255,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,428.87 : 308,035.55 = 185,047.02 : x
  2. Step 2: Convert to fraction form
    223,428.87/308,035.55 = 185,047.02/x
  3. Step 3: Cross multiply
    223,428.87x = 308,035.55 × 185,047.02
  4. Step 4: Simplify right side
    223,428.87x = 57,001,059,656.33
  5. Step 5: Solve for x
    x = 57,001,059,656.33/223,428.87
  6. Step 6: Final answer
    x = 255,119.49

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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.