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Finding the Fourth Proportional to 174,866.20, 262,364.10 and 168,386.20

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Solution

The fourth proportional to 174,866.20, 262,364.10 and 168,386.20 is: 252,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,866.20 : 262,364.10 = 168,386.20 : x
  2. Step 2: Convert to fraction form
    174,866.20/262,364.10 = 168,386.20/x
  3. Step 3: Cross multiply
    174,866.20x = 262,364.10 × 168,386.20
  4. Step 4: Simplify right side
    174,866.20x = 44,178,493,815.42
  5. Step 5: Solve for x
    x = 44,178,493,815.42/174,866.20
  6. Step 6: Final answer
    x = 252,641.70

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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.