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Finding the Fourth Proportional to 377,018.50, 565,522.81 and 92,711.50

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Solution

The fourth proportional to 377,018.50, 565,522.81 and 92,711.50 is: 139,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,018.50 : 565,522.81 = 92,711.50 : x
  2. Step 2: Convert to fraction form
    377,018.50/565,522.81 = 92,711.50/x
  3. Step 3: Cross multiply
    377,018.50x = 565,522.81 × 92,711.50
  4. Step 4: Simplify right side
    377,018.50x = 52,430,467,999.32
  5. Step 5: Solve for x
    x = 52,430,467,999.32/377,018.50
  6. Step 6: Final answer
    x = 139,066.04

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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.