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Finding the Fourth Proportional to 339,196.55, 508,868.62 and 102,533.06

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Solution

The fourth proportional to 339,196.55, 508,868.62 and 102,533.06 is: 153,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,196.55 : 508,868.62 = 102,533.06 : x
  2. Step 2: Convert to fraction form
    339,196.55/508,868.62 = 102,533.06/x
  3. Step 3: Cross multiply
    339,196.55x = 508,868.62 × 102,533.06
  4. Step 4: Simplify right side
    339,196.55x = 52,175,857,762.42
  5. Step 5: Solve for x
    x = 52,175,857,762.42/339,196.55
  6. Step 6: Final answer
    x = 153,821.90

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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.