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Finding the Fourth Proportional to 99,260.88, 136,980.03 and 54,548.88

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Solution

The fourth proportional to 99,260.88, 136,980.03 and 54,548.88 is: 75,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260.88 : 136,980.03 = 54,548.88 : x
  2. Step 2: Convert to fraction form
    99,260.88/136,980.03 = 54,548.88/x
  3. Step 3: Cross multiply
    99,260.88x = 136,980.03 × 54,548.88
  4. Step 4: Simplify right side
    99,260.88x = 7,472,107,218.87
  5. Step 5: Solve for x
    x = 7,472,107,218.87/99,260.88
  6. Step 6: Final answer
    x = 75,277.46

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1.5x scale

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.