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Finding the Fourth Proportional to 171,783.94, 237,068.16 and 103,787.77

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Solution

The fourth proportional to 171,783.94, 237,068.16 and 103,787.77 is: 143,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,783.94 : 237,068.16 = 103,787.77 : x
  2. Step 2: Convert to fraction form
    171,783.94/237,068.16 = 103,787.77/x
  3. Step 3: Cross multiply
    171,783.94x = 237,068.16 × 103,787.77
  4. Step 4: Simplify right side
    171,783.94x = 24,604,775,664.40
  5. Step 5: Solve for x
    x = 24,604,775,664.40/171,783.94
  6. Step 6: Final answer
    x = 143,230.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.