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Finding the Fourth Proportional to 111,539.88, 153,333.12 and 95,960.57

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Solution

The fourth proportional to 111,539.88, 153,333.12 and 95,960.57 is: 131,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,539.88 : 153,333.12 = 95,960.57 : x
  2. Step 2: Convert to fraction form
    111,539.88/153,333.12 = 95,960.57/x
  3. Step 3: Cross multiply
    111,539.88x = 153,333.12 × 95,960.57
  4. Step 4: Simplify right side
    111,539.88x = 14,713,932,828.41
  5. Step 5: Solve for x
    x = 14,713,932,828.41/111,539.88
  6. Step 6: Final answer
    x = 131,916.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.