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Finding the Fourth Proportional to 169,199.99, 253,790.62 and 56,868.58

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Solution

The fourth proportional to 169,199.99, 253,790.62 and 56,868.58 is: 85,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,199.99 : 253,790.62 = 56,868.58 : x
  2. Step 2: Convert to fraction form
    169,199.99/253,790.62 = 56,868.58/x
  3. Step 3: Cross multiply
    169,199.99x = 253,790.62 × 56,868.58
  4. Step 4: Simplify right side
    169,199.99x = 14,432,712,351.79
  5. Step 5: Solve for x
    x = 14,432,712,351.79/169,199.99
  6. Step 6: Final answer
    x = 85,299.72

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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.