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Finding the Fourth Proportional to 114,425.92, 157,911.50 and 63,443.39

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Solution

The fourth proportional to 114,425.92, 157,911.50 and 63,443.39 is: 87,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,425.92 : 157,911.50 = 63,443.39 : x
  2. Step 2: Convert to fraction form
    114,425.92/157,911.50 = 63,443.39/x
  3. Step 3: Cross multiply
    114,425.92x = 157,911.50 × 63,443.39
  4. Step 4: Simplify right side
    114,425.92x = 10,018,440,736.79
  5. Step 5: Solve for x
    x = 10,018,440,736.79/114,425.92
  6. Step 6: Final answer
    x = 87,553.95

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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.