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Finding the Fourth Proportional to 293,237.94, 439,865.10 and 103,671.54

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Solution

The fourth proportional to 293,237.94, 439,865.10 and 103,671.54 is: 155,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,237.94 : 439,865.10 = 103,671.54 : x
  2. Step 2: Convert to fraction form
    293,237.94/439,865.10 = 103,671.54/x
  3. Step 3: Cross multiply
    293,237.94x = 439,865.10 × 103,671.54
  4. Step 4: Simplify right side
    293,237.94x = 45,601,492,309.25
  5. Step 5: Solve for x
    x = 45,601,492,309.25/293,237.94
  6. Step 6: Final answer
    x = 155,510.21

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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.