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Finding the Fourth Proportional to 175,085.80, 262,455.90 and 69,764.20

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Solution

The fourth proportional to 175,085.80, 262,455.90 and 69,764.20 is: 104,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,085.80 : 262,455.90 = 69,764.20 : x
  2. Step 2: Convert to fraction form
    175,085.80/262,455.90 = 69,764.20/x
  3. Step 3: Cross multiply
    175,085.80x = 262,455.90 × 69,764.20
  4. Step 4: Simplify right side
    175,085.80x = 18,310,025,898.78
  5. Step 5: Solve for x
    x = 18,310,025,898.78/175,085.80
  6. Step 6: Final answer
    x = 104,577.45

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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.