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Finding the Fourth Proportional to 357,864.08, 536,768.17 and 158,190.98

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Solution

The fourth proportional to 357,864.08, 536,768.17 and 158,190.98 is: 237,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,864.08 : 536,768.17 = 158,190.98 : x
  2. Step 2: Convert to fraction form
    357,864.08/536,768.17 = 158,190.98/x
  3. Step 3: Cross multiply
    357,864.08x = 536,768.17 × 158,190.98
  4. Step 4: Simplify right side
    357,864.08x = 84,911,879,765.79
  5. Step 5: Solve for x
    x = 84,911,879,765.79/357,864.08
  6. Step 6: Final answer
    x = 237,274.11

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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.