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Finding the Fourth Proportional to 492,093.51, 738,140.27 and 118,116.51

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Solution

The fourth proportional to 492,093.51, 738,140.27 and 118,116.51 is: 177,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,093.51 : 738,140.27 = 118,116.51 : x
  2. Step 2: Convert to fraction form
    492,093.51/738,140.27 = 118,116.51/x
  3. Step 3: Cross multiply
    492,093.51x = 738,140.27 × 118,116.51
  4. Step 4: Simplify right side
    492,093.51x = 87,186,552,898.93
  5. Step 5: Solve for x
    x = 87,186,552,898.93/492,093.51
  6. Step 6: Final answer
    x = 177,174.77

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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.