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Finding the Fourth Proportional to 117,029.42, 161,500.36 and 63,314.48

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Solution

The fourth proportional to 117,029.42, 161,500.36 and 63,314.48 is: 87,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,029.42 : 161,500.36 = 63,314.48 : x
  2. Step 2: Convert to fraction form
    117,029.42/161,500.36 = 63,314.48/x
  3. Step 3: Cross multiply
    117,029.42x = 161,500.36 × 63,314.48
  4. Step 4: Simplify right side
    117,029.42x = 10,225,311,313.21
  5. Step 5: Solve for x
    x = 10,225,311,313.21/117,029.42
  6. Step 6: Final answer
    x = 87,373.85

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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.