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Finding the Fourth Proportional to 172,783.10, 259,157.10 and 46,406.92

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Solution

The fourth proportional to 172,783.10, 259,157.10 and 46,406.92 is: 69,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,783.10 : 259,157.10 = 46,406.92 : x
  2. Step 2: Convert to fraction form
    172,783.10/259,157.10 = 46,406.92/x
  3. Step 3: Cross multiply
    172,783.10x = 259,157.10 × 46,406.92
  4. Step 4: Simplify right side
    172,783.10x = 12,026,682,807.13
  5. Step 5: Solve for x
    x = 12,026,682,807.13/172,783.10
  6. Step 6: Final answer
    x = 69,605.67

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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.