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Finding the Fourth Proportional to 134,573.84, 202,039.32 and 114,978.32

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Solution

The fourth proportional to 134,573.84, 202,039.32 and 114,978.32 is: 172,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,573.84 : 202,039.32 = 114,978.32 : x
  2. Step 2: Convert to fraction form
    134,573.84/202,039.32 = 114,978.32/x
  3. Step 3: Cross multiply
    134,573.84x = 202,039.32 × 114,978.32
  4. Step 4: Simplify right side
    134,573.84x = 23,230,141,587.54
  5. Step 5: Solve for x
    x = 23,230,141,587.54/134,573.84
  6. Step 6: Final answer
    x = 172,620.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.