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Finding the Fourth Proportional to 292,188.87, 438,239.46 and 92,483.37

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Solution

The fourth proportional to 292,188.87, 438,239.46 and 92,483.37 is: 138,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,188.87 : 438,239.46 = 92,483.37 : x
  2. Step 2: Convert to fraction form
    292,188.87/438,239.46 = 92,483.37/x
  3. Step 3: Cross multiply
    292,188.87x = 438,239.46 × 92,483.37
  4. Step 4: Simplify right side
    292,188.87x = 40,529,862,474.59
  5. Step 5: Solve for x
    x = 40,529,862,474.59/292,188.87
  6. Step 6: Final answer
    x = 138,711.18

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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.