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Finding the Fourth Proportional to 173,787.30, 260,685.48 and 55,458.48

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Solution

The fourth proportional to 173,787.30, 260,685.48 and 55,458.48 is: 83,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,787.30 : 260,685.48 = 55,458.48 : x
  2. Step 2: Convert to fraction form
    173,787.30/260,685.48 = 55,458.48/x
  3. Step 3: Cross multiply
    173,787.30x = 260,685.48 × 55,458.48
  4. Step 4: Simplify right side
    173,787.30x = 14,457,220,478.87
  5. Step 5: Solve for x
    x = 14,457,220,478.87/173,787.30
  6. Step 6: Final answer
    x = 83,189.17

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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.