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Finding the Fourth Proportional to 134,492.67, 185,674.41 and 80,790.75

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Solution

The fourth proportional to 134,492.67, 185,674.41 and 80,790.75 is: 111,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,492.67 : 185,674.41 = 80,790.75 : x
  2. Step 2: Convert to fraction form
    134,492.67/185,674.41 = 80,790.75/x
  3. Step 3: Cross multiply
    134,492.67x = 185,674.41 × 80,790.75
  4. Step 4: Simplify right side
    134,492.67x = 15,000,774,839.71
  5. Step 5: Solve for x
    x = 15,000,774,839.71/134,492.67
  6. Step 6: Final answer
    x = 111,536.00

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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.