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Finding the Fourth Proportional to 101,967.79, 152,967.24 and 52,020.64

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Solution

The fourth proportional to 101,967.79, 152,967.24 and 52,020.64 is: 78,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,967.79 : 152,967.24 = 52,020.64 : x
  2. Step 2: Convert to fraction form
    101,967.79/152,967.24 = 52,020.64/x
  3. Step 3: Cross multiply
    101,967.79x = 152,967.24 × 52,020.64
  4. Step 4: Simplify right side
    101,967.79x = 7,957,453,723.83
  5. Step 5: Solve for x
    x = 7,957,453,723.83/101,967.79
  6. Step 6: Final answer
    x = 78,038.90

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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.