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Finding the Fourth Proportional to 114,425.07, 171,414.15 and 54,368.07

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Solution

The fourth proportional to 114,425.07, 171,414.15 and 54,368.07 is: 81,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,425.07 : 171,414.15 = 54,368.07 : x
  2. Step 2: Convert to fraction form
    114,425.07/171,414.15 = 54,368.07/x
  3. Step 3: Cross multiply
    114,425.07x = 171,414.15 × 54,368.07
  4. Step 4: Simplify right side
    114,425.07x = 9,319,456,506.19
  5. Step 5: Solve for x
    x = 9,319,456,506.19/114,425.07
  6. Step 6: Final answer
    x = 81,445.93

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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.