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Finding the Fourth Proportional to 371,848.87, 557,810.16 and 119,065.87

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Solution

The fourth proportional to 371,848.87, 557,810.16 and 119,065.87 is: 178,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,848.87 : 557,810.16 = 119,065.87 : x
  2. Step 2: Convert to fraction form
    371,848.87/557,810.16 = 119,065.87/x
  3. Step 3: Cross multiply
    371,848.87x = 557,810.16 × 119,065.87
  4. Step 4: Simplify right side
    371,848.87x = 66,416,151,995.24
  5. Step 5: Solve for x
    x = 66,416,151,995.24/371,848.87
  6. Step 6: Final answer
    x = 178,610.61

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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.