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Finding the Fourth Proportional to 127,169, 190,787.52 and 44,063

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Solution

The fourth proportional to 127,169, 190,787.52 and 44,063 is: 66,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169 : 190,787.52 = 44,063 : x
  2. Step 2: Convert to fraction form
    127,169/190,787.52 = 44,063/x
  3. Step 3: Cross multiply
    127,169x = 190,787.52 × 44,063
  4. Step 4: Simplify right side
    127,169x = 8,406,670,493.76
  5. Step 5: Solve for x
    x = 8,406,670,493.76/127,169
  6. Step 6: Final answer
    x = 66,106.29

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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.