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Finding the Fourth Proportional to 153,593.64, 211,960.26 and 89,932.50

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Solution

The fourth proportional to 153,593.64, 211,960.26 and 89,932.50 is: 124,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,593.64 : 211,960.26 = 89,932.50 : x
  2. Step 2: Convert to fraction form
    153,593.64/211,960.26 = 89,932.50/x
  3. Step 3: Cross multiply
    153,593.64x = 211,960.26 × 89,932.50
  4. Step 4: Simplify right side
    153,593.64x = 19,062,116,082.45
  5. Step 5: Solve for x
    x = 19,062,116,082.45/153,593.64
  6. Step 6: Final answer
    x = 124,107.46

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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.