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Finding the Fourth Proportional to 234,369.48, 351,554.64 and 84,715.42

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Solution

The fourth proportional to 234,369.48, 351,554.64 and 84,715.42 is: 127,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,369.48 : 351,554.64 = 84,715.42 : x
  2. Step 2: Convert to fraction form
    234,369.48/351,554.64 = 84,715.42/x
  3. Step 3: Cross multiply
    234,369.48x = 351,554.64 × 84,715.42
  4. Step 4: Simplify right side
    234,369.48x = 29,782,098,980.55
  5. Step 5: Solve for x
    x = 29,782,098,980.55/234,369.48
  6. Step 6: Final answer
    x = 127,073.28

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1.5x scale

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.