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Finding the Fourth Proportional to 228,754.01, 315,675.15 and 133,254.54

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Solution

The fourth proportional to 228,754.01, 315,675.15 and 133,254.54 is: 183,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,754.01 : 315,675.15 = 133,254.54 : x
  2. Step 2: Convert to fraction form
    228,754.01/315,675.15 = 133,254.54/x
  3. Step 3: Cross multiply
    228,754.01x = 315,675.15 × 133,254.54
  4. Step 4: Simplify right side
    228,754.01x = 42,065,146,902.68
  5. Step 5: Solve for x
    x = 42,065,146,902.68/228,754.01
  6. Step 6: Final answer
    x = 183,888.13

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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.