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Finding the Fourth Proportional to 117,116.96, 175,674.81 and 28,370.42

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Solution

The fourth proportional to 117,116.96, 175,674.81 and 28,370.42 is: 42,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,116.96 : 175,674.81 = 28,370.42 : x
  2. Step 2: Convert to fraction form
    117,116.96/175,674.81 = 28,370.42/x
  3. Step 3: Cross multiply
    117,116.96x = 175,674.81 × 28,370.42
  4. Step 4: Simplify right side
    117,116.96x = 4,983,968,143.12
  5. Step 5: Solve for x
    x = 4,983,968,143.12/117,116.96
  6. Step 6: Final answer
    x = 42,555.48

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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.