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Finding the Fourth Proportional to 136,804.55, 205,227.27 and 48,042.38

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Solution

The fourth proportional to 136,804.55, 205,227.27 and 48,042.38 is: 72,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,804.55 : 205,227.27 = 48,042.38 : x
  2. Step 2: Convert to fraction form
    136,804.55/205,227.27 = 48,042.38/x
  3. Step 3: Cross multiply
    136,804.55x = 205,227.27 × 48,042.38
  4. Step 4: Simplify right side
    136,804.55x = 9,859,607,004.77
  5. Step 5: Solve for x
    x = 9,859,607,004.77/136,804.55
  6. Step 6: Final answer
    x = 72,070.76

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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.