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Finding the Fourth Proportional to 250,532.96, 375,838.32 and 84,308

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Solution

The fourth proportional to 250,532.96, 375,838.32 and 84,308 is: 126,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,532.96 : 375,838.32 = 84,308 : x
  2. Step 2: Convert to fraction form
    250,532.96/375,838.32 = 84,308/x
  3. Step 3: Cross multiply
    250,532.96x = 375,838.32 × 84,308
  4. Step 4: Simplify right side
    250,532.96x = 31,686,177,082.56
  5. Step 5: Solve for x
    x = 31,686,177,082.56/250,532.96
  6. Step 6: Final answer
    x = 126,475.08

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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.