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Finding the Fourth Proportional to 174,909.70, 262,429.35 and 168,429.70

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Solution

The fourth proportional to 174,909.70, 262,429.35 and 168,429.70 is: 252,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,909.70 : 262,429.35 = 168,429.70 : x
  2. Step 2: Convert to fraction form
    174,909.70/262,429.35 = 168,429.70/x
  3. Step 3: Cross multiply
    174,909.70x = 262,429.35 × 168,429.70
  4. Step 4: Simplify right side
    174,909.70x = 44,200,896,691.70
  5. Step 5: Solve for x
    x = 44,200,896,691.70/174,909.70
  6. Step 6: Final answer
    x = 252,706.95

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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.