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Finding the Fourth Proportional to 329,123.90, 493,702.92 and 104,501.90

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Solution

The fourth proportional to 329,123.90, 493,702.92 and 104,501.90 is: 156,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,123.90 : 493,702.92 = 104,501.90 : x
  2. Step 2: Convert to fraction form
    329,123.90/493,702.92 = 104,501.90/x
  3. Step 3: Cross multiply
    329,123.90x = 493,702.92 × 104,501.90
  4. Step 4: Simplify right side
    329,123.90x = 51,592,893,175.55
  5. Step 5: Solve for x
    x = 51,592,893,175.55/329,123.90
  6. Step 6: Final answer
    x = 156,758.27

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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.