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Finding the Fourth Proportional to 63,147.66, 87,143.34 and 34,853.34

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Solution

The fourth proportional to 63,147.66, 87,143.34 and 34,853.34 is: 48,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,147.66 : 87,143.34 = 34,853.34 : x
  2. Step 2: Convert to fraction form
    63,147.66/87,143.34 = 34,853.34/x
  3. Step 3: Cross multiply
    63,147.66x = 87,143.34 × 34,853.34
  4. Step 4: Simplify right side
    63,147.66x = 3,037,236,457.76
  5. Step 5: Solve for x
    x = 3,037,236,457.76/63,147.66
  6. Step 6: Final answer
    x = 48,097.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.