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Finding the Fourth Proportional to 369,893.82, 554,840.82 and 89,411.04

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Solution

The fourth proportional to 369,893.82, 554,840.82 and 89,411.04 is: 134,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,893.82 : 554,840.82 = 89,411.04 : x
  2. Step 2: Convert to fraction form
    369,893.82/554,840.82 = 89,411.04/x
  3. Step 3: Cross multiply
    369,893.82x = 554,840.82 × 89,411.04
  4. Step 4: Simplify right side
    369,893.82x = 49,608,894,750.65
  5. Step 5: Solve for x
    x = 49,608,894,750.65/369,893.82
  6. Step 6: Final answer
    x = 134,116.58

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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.