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Finding the Fourth Proportional to 160,800.81, 241,178.87 and 112,623.50

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Solution

The fourth proportional to 160,800.81, 241,178.87 and 112,623.50 is: 168,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,800.81 : 241,178.87 = 112,623.50 : x
  2. Step 2: Convert to fraction form
    160,800.81/241,178.87 = 112,623.50/x
  3. Step 3: Cross multiply
    160,800.81x = 241,178.87 × 112,623.50
  4. Step 4: Simplify right side
    160,800.81x = 27,162,408,465.45
  5. Step 5: Solve for x
    x = 27,162,408,465.45/160,800.81
  6. Step 6: Final answer
    x = 168,919.60

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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.