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Finding the Fourth Proportional to 104,590.84, 156,822.96 and 42,188.44

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Solution

The fourth proportional to 104,590.84, 156,822.96 and 42,188.44 is: 63,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,590.84 : 156,822.96 = 42,188.44 : x
  2. Step 2: Convert to fraction form
    104,590.84/156,822.96 = 42,188.44/x
  3. Step 3: Cross multiply
    104,590.84x = 156,822.96 × 42,188.44
  4. Step 4: Simplify right side
    104,590.84x = 6,616,116,038.58
  5. Step 5: Solve for x
    x = 6,616,116,038.58/104,590.84
  6. Step 6: Final answer
    x = 63,257.13

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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.