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Finding the Fourth Proportional to 215,473.92, 323,011.32 and 110,060.40

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Solution

The fourth proportional to 215,473.92, 323,011.32 and 110,060.40 is: 164,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,473.92 : 323,011.32 = 110,060.40 : x
  2. Step 2: Convert to fraction form
    215,473.92/323,011.32 = 110,060.40/x
  3. Step 3: Cross multiply
    215,473.92x = 323,011.32 × 110,060.40
  4. Step 4: Simplify right side
    215,473.92x = 35,550,755,083.73
  5. Step 5: Solve for x
    x = 35,550,755,083.73/215,473.92
  6. Step 6: Final answer
    x = 164,988.67

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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.