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Finding the Fourth Proportional to 169,576.45, 254,400.68 and 64,393.09

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Solution

The fourth proportional to 169,576.45, 254,400.68 and 64,393.09 is: 96,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,576.45 : 254,400.68 = 64,393.09 : x
  2. Step 2: Convert to fraction form
    169,576.45/254,400.68 = 64,393.09/x
  3. Step 3: Cross multiply
    169,576.45x = 254,400.68 × 64,393.09
  4. Step 4: Simplify right side
    169,576.45x = 16,381,646,438.81
  5. Step 5: Solve for x
    x = 16,381,646,438.81/169,576.45
  6. Step 6: Final answer
    x = 96,603.31

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1.5x scale

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.