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Finding the Fourth Proportional to 152,592, 210,576.96 and 85,524.48

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Solution

The fourth proportional to 152,592, 210,576.96 and 85,524.48 is: 118,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,592 : 210,576.96 = 85,524.48 : x
  2. Step 2: Convert to fraction form
    152,592/210,576.96 = 85,524.48/x
  3. Step 3: Cross multiply
    152,592x = 210,576.96 × 85,524.48
  4. Step 4: Simplify right side
    152,592x = 18,009,485,003.98
  5. Step 5: Solve for x
    x = 18,009,485,003.98/152,592
  6. Step 6: Final answer
    x = 118,023.78

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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.