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Finding the Fourth Proportional to 172,108.34, 237,441.50 and 99,497.87

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Solution

The fourth proportional to 172,108.34, 237,441.50 and 99,497.87 is: 137,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,108.34 : 237,441.50 = 99,497.87 : x
  2. Step 2: Convert to fraction form
    172,108.34/237,441.50 = 99,497.87/x
  3. Step 3: Cross multiply
    172,108.34x = 237,441.50 × 99,497.87
  4. Step 4: Simplify right side
    172,108.34x = 23,624,923,358.27
  5. Step 5: Solve for x
    x = 23,624,923,358.27/172,108.34
  6. Step 6: Final answer
    x = 137,267.74

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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.