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Finding the Fourth Proportional to 358,486.02, 537,605.09 and 158,945.96

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Solution

The fourth proportional to 358,486.02, 537,605.09 and 158,945.96 is: 238,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,486.02 : 537,605.09 = 158,945.96 : x
  2. Step 2: Convert to fraction form
    358,486.02/537,605.09 = 158,945.96/x
  3. Step 3: Cross multiply
    358,486.02x = 537,605.09 × 158,945.96
  4. Step 4: Simplify right side
    358,486.02x = 85,450,153,648.18
  5. Step 5: Solve for x
    x = 85,450,153,648.18/358,486.02
  6. Step 6: Final answer
    x = 238,363.98

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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.