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Finding the Fourth Proportional to 103,175.43, 154,806.89 and 56,373.63

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Solution

The fourth proportional to 103,175.43, 154,806.89 and 56,373.63 is: 84,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,175.43 : 154,806.89 = 56,373.63 : x
  2. Step 2: Convert to fraction form
    103,175.43/154,806.89 = 56,373.63/x
  3. Step 3: Cross multiply
    103,175.43x = 154,806.89 × 56,373.63
  4. Step 4: Simplify right side
    103,175.43x = 8,727,026,056.44
  5. Step 5: Solve for x
    x = 8,727,026,056.44/103,175.43
  6. Step 6: Final answer
    x = 84,584.34

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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.