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Finding the Fourth Proportional to 70,495.44, 105,756.12 and 57,463.44

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Solution

The fourth proportional to 70,495.44, 105,756.12 and 57,463.44 is: 86,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,495.44 : 105,756.12 = 57,463.44 : x
  2. Step 2: Convert to fraction form
    70,495.44/105,756.12 = 57,463.44/x
  3. Step 3: Cross multiply
    70,495.44x = 105,756.12 × 57,463.44
  4. Step 4: Simplify right side
    70,495.44x = 6,077,110,456.25
  5. Step 5: Solve for x
    x = 6,077,110,456.25/70,495.44
  6. Step 6: Final answer
    x = 86,205.72

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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.