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Finding the Fourth Proportional to 117,941.18, 176,805.48 and 43,008.74

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Solution

The fourth proportional to 117,941.18, 176,805.48 and 43,008.74 is: 64,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,941.18 : 176,805.48 = 43,008.74 : x
  2. Step 2: Convert to fraction form
    117,941.18/176,805.48 = 43,008.74/x
  3. Step 3: Cross multiply
    117,941.18x = 176,805.48 × 43,008.74
  4. Step 4: Simplify right side
    117,941.18x = 7,604,180,035.87
  5. Step 5: Solve for x
    x = 7,604,180,035.87/117,941.18
  6. Step 6: Final answer
    x = 64,474.35

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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.