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Finding the Fourth Proportional to 71,166.67, 106,881.22 and 56,470.03

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Solution

The fourth proportional to 71,166.67, 106,881.22 and 56,470.03 is: 84,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,166.67 : 106,881.22 = 56,470.03 : x
  2. Step 2: Convert to fraction form
    71,166.67/106,881.22 = 56,470.03/x
  3. Step 3: Cross multiply
    71,166.67x = 106,881.22 × 56,470.03
  4. Step 4: Simplify right side
    71,166.67x = 6,035,585,503.22
  5. Step 5: Solve for x
    x = 6,035,585,503.22/71,166.67
  6. Step 6: Final answer
    x = 84,809.16

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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.