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Finding the Fourth Proportional to 169,121.34, 253,653.66 and 56,788.92

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Solution

The fourth proportional to 169,121.34, 253,653.66 and 56,788.92 is: 85,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,121.34 : 253,653.66 = 56,788.92 : x
  2. Step 2: Convert to fraction form
    169,121.34/253,653.66 = 56,788.92/x
  3. Step 3: Cross multiply
    169,121.34x = 253,653.66 × 56,788.92
  4. Step 4: Simplify right side
    169,121.34x = 14,404,717,405.45
  5. Step 5: Solve for x
    x = 14,404,717,405.45/169,121.34
  6. Step 6: Final answer
    x = 85,173.86

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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.