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Finding the Fourth Proportional to 175,682.80, 263,447.40 and 70,466.80

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Solution

The fourth proportional to 175,682.80, 263,447.40 and 70,466.80 is: 105,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,682.80 : 263,447.40 = 70,466.80 : x
  2. Step 2: Convert to fraction form
    175,682.80/263,447.40 = 70,466.80/x
  3. Step 3: Cross multiply
    175,682.80x = 263,447.40 × 70,466.80
  4. Step 4: Simplify right side
    175,682.80x = 18,564,295,246.32
  5. Step 5: Solve for x
    x = 18,564,295,246.32/175,682.80
  6. Step 6: Final answer
    x = 105,669.40

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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.