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Finding the Fourth Proportional to 369,005.10, 553,766.85 and 158,793.90

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Solution

The fourth proportional to 369,005.10, 553,766.85 and 158,793.90 is: 238,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,005.10 : 553,766.85 = 158,793.90 : x
  2. Step 2: Convert to fraction form
    369,005.10/553,766.85 = 158,793.90/x
  3. Step 3: Cross multiply
    369,005.10x = 553,766.85 × 158,793.90
  4. Step 4: Simplify right side
    369,005.10x = 87,934,797,802.22
  5. Step 5: Solve for x
    x = 87,934,797,802.22/369,005.10
  6. Step 6: Final answer
    x = 238,302.39

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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.