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Finding the Fourth Proportional to 193,353.92, 266,809.92 and 108,465.92

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Solution

The fourth proportional to 193,353.92, 266,809.92 and 108,465.92 is: 149,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,353.92 : 266,809.92 = 108,465.92 : x
  2. Step 2: Convert to fraction form
    193,353.92/266,809.92 = 108,465.92/x
  3. Step 3: Cross multiply
    193,353.92x = 266,809.92 × 108,465.92
  4. Step 4: Simplify right side
    193,353.92x = 28,939,783,437.93
  5. Step 5: Solve for x
    x = 28,939,783,437.93/193,353.92
  6. Step 6: Final answer
    x = 149,672.60

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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.