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Finding the Fourth Proportional to 77,303.51, 115,747.43 and 49,070.73

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Solution

The fourth proportional to 77,303.51, 115,747.43 and 49,070.73 is: 73,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,303.51 : 115,747.43 = 49,070.73 : x
  2. Step 2: Convert to fraction form
    77,303.51/115,747.43 = 49,070.73/x
  3. Step 3: Cross multiply
    77,303.51x = 115,747.43 × 49,070.73
  4. Step 4: Simplify right side
    77,303.51x = 5,679,810,640.37
  5. Step 5: Solve for x
    x = 5,679,810,640.37/77,303.51
  6. Step 6: Final answer
    x = 73,474.17

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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.