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Finding the Fourth Proportional to 371,858.48, 557,800.93 and 119,106.13

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Solution

The fourth proportional to 371,858.48, 557,800.93 and 119,106.13 is: 178,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,858.48 : 557,800.93 = 119,106.13 : x
  2. Step 2: Convert to fraction form
    371,858.48/557,800.93 = 119,106.13/x
  3. Step 3: Cross multiply
    371,858.48x = 557,800.93 × 119,106.13
  4. Step 4: Simplify right side
    371,858.48x = 66,437,508,390.43
  5. Step 5: Solve for x
    x = 66,437,508,390.43/371,858.48
  6. Step 6: Final answer
    x = 178,663.42

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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.