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Finding the Fourth Proportional to 117,671.92, 176,507.60 and 51,103.42

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Solution

The fourth proportional to 117,671.92, 176,507.60 and 51,103.42 is: 76,655.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,671.92 : 176,507.60 = 51,103.42 : x
  2. Step 2: Convert to fraction form
    117,671.92/176,507.60 = 51,103.42/x
  3. Step 3: Cross multiply
    117,671.92x = 176,507.60 × 51,103.42
  4. Step 4: Simplify right side
    117,671.92x = 9,020,142,015.99
  5. Step 5: Solve for x
    x = 9,020,142,015.99/117,671.92
  6. Step 6: Final answer
    x = 76,655.01

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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.