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Finding the Fourth Proportional to 292,369.98, 438,570.66 and 92,705.93

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Solution

The fourth proportional to 292,369.98, 438,570.66 and 92,705.93 is: 139,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,369.98 : 438,570.66 = 92,705.93 : x
  2. Step 2: Convert to fraction form
    292,369.98/438,570.66 = 92,705.93/x
  3. Step 3: Cross multiply
    292,369.98x = 438,570.66 × 92,705.93
  4. Step 4: Simplify right side
    292,369.98x = 40,658,100,906.01
  5. Step 5: Solve for x
    x = 40,658,100,906.01/292,369.98
  6. Step 6: Final answer
    x = 139,063.87

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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.