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Finding the Fourth Proportional to 115,783.97, 173,672.71 and 36,902.93

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Solution

The fourth proportional to 115,783.97, 173,672.71 and 36,902.93 is: 55,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,783.97 : 173,672.71 = 36,902.93 : x
  2. Step 2: Convert to fraction form
    115,783.97/173,672.71 = 36,902.93/x
  3. Step 3: Cross multiply
    115,783.97x = 173,672.71 × 36,902.93
  4. Step 4: Simplify right side
    115,783.97x = 6,409,030,899.42
  5. Step 5: Solve for x
    x = 6,409,030,899.42/115,783.97
  6. Step 6: Final answer
    x = 55,353.35

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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.