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Finding the Fourth Proportional to 100,553.76, 150,830.48 and 25,673.92

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Solution

The fourth proportional to 100,553.76, 150,830.48 and 25,673.92 is: 38,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,553.76 : 150,830.48 = 25,673.92 : x
  2. Step 2: Convert to fraction form
    100,553.76/150,830.48 = 25,673.92/x
  3. Step 3: Cross multiply
    100,553.76x = 150,830.48 × 25,673.92
  4. Step 4: Simplify right side
    100,553.76x = 3,872,409,677.08
  5. Step 5: Solve for x
    x = 3,872,409,677.08/100,553.76
  6. Step 6: Final answer
    x = 38,510.84

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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.