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Finding the Fourth Proportional to 202,444.90, 279,359.89 and 111,800.08

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Solution

The fourth proportional to 202,444.90, 279,359.89 and 111,800.08 is: 154,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,444.90 : 279,359.89 = 111,800.08 : x
  2. Step 2: Convert to fraction form
    202,444.90/279,359.89 = 111,800.08/x
  3. Step 3: Cross multiply
    202,444.90x = 279,359.89 × 111,800.08
  4. Step 4: Simplify right side
    202,444.90x = 31,232,458,050.79
  5. Step 5: Solve for x
    x = 31,232,458,050.79/202,444.90
  6. Step 6: Final answer
    x = 154,276.34

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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.