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Finding the Fourth Proportional to 156,234.24, 234,362.32 and 62,740

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Solution

The fourth proportional to 156,234.24, 234,362.32 and 62,740 is: 94,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,234.24 : 234,362.32 = 62,740 : x
  2. Step 2: Convert to fraction form
    156,234.24/234,362.32 = 62,740/x
  3. Step 3: Cross multiply
    156,234.24x = 234,362.32 × 62,740
  4. Step 4: Simplify right side
    156,234.24x = 14,703,891,956.80
  5. Step 5: Solve for x
    x = 14,703,891,956.80/156,234.24
  6. Step 6: Final answer
    x = 94,114.40

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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.