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Finding the Fourth Proportional to 261,475.45, 392,083.54 and 92,970.44

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Solution

The fourth proportional to 261,475.45, 392,083.54 and 92,970.44 is: 139,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,475.45 : 392,083.54 = 92,970.44 : x
  2. Step 2: Convert to fraction form
    261,475.45/392,083.54 = 92,970.44/x
  3. Step 3: Cross multiply
    261,475.45x = 392,083.54 × 92,970.44
  4. Step 4: Simplify right side
    261,475.45x = 36,452,179,030.99
  5. Step 5: Solve for x
    x = 36,452,179,030.99/261,475.45
  6. Step 6: Final answer
    x = 139,409.57

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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.