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Finding the Fourth Proportional to 131,802.29, 197,662.55 and 47,551.50

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Solution

The fourth proportional to 131,802.29, 197,662.55 and 47,551.50 is: 71,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,802.29 : 197,662.55 = 47,551.50 : x
  2. Step 2: Convert to fraction form
    131,802.29/197,662.55 = 47,551.50/x
  3. Step 3: Cross multiply
    131,802.29x = 197,662.55 × 47,551.50
  4. Step 4: Simplify right side
    131,802.29x = 9,399,149,520.25
  5. Step 5: Solve for x
    x = 9,399,149,520.25/131,802.29
  6. Step 6: Final answer
    x = 71,312.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.