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Finding the Fourth Proportional to 127,405.90, 191,104.48 and 32,636.91

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Solution

The fourth proportional to 127,405.90, 191,104.48 and 32,636.91 is: 48,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,405.90 : 191,104.48 = 32,636.91 : x
  2. Step 2: Convert to fraction form
    127,405.90/191,104.48 = 32,636.91/x
  3. Step 3: Cross multiply
    127,405.90x = 191,104.48 × 32,636.91
  4. Step 4: Simplify right side
    127,405.90x = 6,237,060,065.37
  5. Step 5: Solve for x
    x = 6,237,060,065.37/127,405.90
  6. Step 6: Final answer
    x = 48,954.25

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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.