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Finding the Fourth Proportional to 215,063.70, 296,783.03 and 116,944.80

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Solution

The fourth proportional to 215,063.70, 296,783.03 and 116,944.80 is: 161,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,063.70 : 296,783.03 = 116,944.80 : x
  2. Step 2: Convert to fraction form
    215,063.70/296,783.03 = 116,944.80/x
  3. Step 3: Cross multiply
    215,063.70x = 296,783.03 × 116,944.80
  4. Step 4: Simplify right side
    215,063.70x = 34,707,231,502.02
  5. Step 5: Solve for x
    x = 34,707,231,502.02/215,063.70
  6. Step 6: Final answer
    x = 161,381.17

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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.