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Finding the Fourth Proportional to 174,811.80, 262,044.90 and 69,490.20

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Solution

The fourth proportional to 174,811.80, 262,044.90 and 69,490.20 is: 104,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,811.80 : 262,044.90 = 69,490.20 : x
  2. Step 2: Convert to fraction form
    174,811.80/262,044.90 = 69,490.20/x
  3. Step 3: Cross multiply
    174,811.80x = 262,044.90 × 69,490.20
  4. Step 4: Simplify right side
    174,811.80x = 18,209,552,509.98
  5. Step 5: Solve for x
    x = 18,209,552,509.98/174,811.80
  6. Step 6: Final answer
    x = 104,166.61

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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.