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Finding the Fourth Proportional to 127,373.90, 191,062.66 and 48,492.44

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Solution

The fourth proportional to 127,373.90, 191,062.66 and 48,492.44 is: 72,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,373.90 : 191,062.66 = 48,492.44 : x
  2. Step 2: Convert to fraction form
    127,373.90/191,062.66 = 48,492.44/x
  3. Step 3: Cross multiply
    127,373.90x = 191,062.66 × 48,492.44
  4. Step 4: Simplify right side
    127,373.90x = 9,265,094,576.29
  5. Step 5: Solve for x
    x = 9,265,094,576.29/127,373.90
  6. Step 6: Final answer
    x = 72,739.35

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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.