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Finding the Fourth Proportional to 202,458.34, 279,387.43 and 110,573.81

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Solution

The fourth proportional to 202,458.34, 279,387.43 and 110,573.81 is: 152,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,458.34 : 279,387.43 = 110,573.81 : x
  2. Step 2: Convert to fraction form
    202,458.34/279,387.43 = 110,573.81/x
  3. Step 3: Cross multiply
    202,458.34x = 279,387.43 × 110,573.81
  4. Step 4: Simplify right side
    202,458.34x = 30,892,931,975.54
  5. Step 5: Solve for x
    x = 30,892,931,975.54/202,458.34
  6. Step 6: Final answer
    x = 152,589.08

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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.