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Finding the Fourth Proportional to 83,190.66, 114,802.98 and 45,464.88

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Solution

The fourth proportional to 83,190.66, 114,802.98 and 45,464.88 is: 62,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,190.66 : 114,802.98 = 45,464.88 : x
  2. Step 2: Convert to fraction form
    83,190.66/114,802.98 = 45,464.88/x
  3. Step 3: Cross multiply
    83,190.66x = 114,802.98 × 45,464.88
  4. Step 4: Simplify right side
    83,190.66x = 5,219,503,709.34
  5. Step 5: Solve for x
    x = 5,219,503,709.34/83,190.66
  6. Step 6: Final answer
    x = 62,741.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.