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Finding the Fourth Proportional to 371,794.16, 557,718.48 and 105,576.08

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Solution

The fourth proportional to 371,794.16, 557,718.48 and 105,576.08 is: 158,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,794.16 : 557,718.48 = 105,576.08 : x
  2. Step 2: Convert to fraction form
    371,794.16/557,718.48 = 105,576.08/x
  3. Step 3: Cross multiply
    371,794.16x = 557,718.48 × 105,576.08
  4. Step 4: Simplify right side
    371,794.16x = 58,881,730,861.96
  5. Step 5: Solve for x
    x = 58,881,730,861.96/371,794.16
  6. Step 6: Final answer
    x = 158,371.86

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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.