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Finding the Fourth Proportional to 104,681.84, 156,999.15 and 29,800.32

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Solution

The fourth proportional to 104,681.84, 156,999.15 and 29,800.32 is: 44,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,681.84 : 156,999.15 = 29,800.32 : x
  2. Step 2: Convert to fraction form
    104,681.84/156,999.15 = 29,800.32/x
  3. Step 3: Cross multiply
    104,681.84x = 156,999.15 × 29,800.32
  4. Step 4: Simplify right side
    104,681.84x = 4,678,624,909.73
  5. Step 5: Solve for x
    x = 4,678,624,909.73/104,681.84
  6. Step 6: Final answer
    x = 44,693.76

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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.