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Finding the Fourth Proportional to 168,153.66, 252,516.15 and 112,352.31

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Solution

The fourth proportional to 168,153.66, 252,516.15 and 112,352.31 is: 168,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,153.66 : 252,516.15 = 112,352.31 : x
  2. Step 2: Convert to fraction form
    168,153.66/252,516.15 = 112,352.31/x
  3. Step 3: Cross multiply
    168,153.66x = 252,516.15 × 112,352.31
  4. Step 4: Simplify right side
    168,153.66x = 28,370,772,764.81
  5. Step 5: Solve for x
    x = 28,370,772,764.81/168,153.66
  6. Step 6: Final answer
    x = 168,719.33

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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.