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Finding the Fourth Proportional to 61,191.64, 91,751.65 and 34,526.17

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Solution

The fourth proportional to 61,191.64, 91,751.65 and 34,526.17 is: 51,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,191.64 : 91,751.65 = 34,526.17 : x
  2. Step 2: Convert to fraction form
    61,191.64/91,751.65 = 34,526.17/x
  3. Step 3: Cross multiply
    61,191.64x = 91,751.65 × 34,526.17
  4. Step 4: Simplify right side
    61,191.64x = 3,167,833,065.68
  5. Step 5: Solve for x
    x = 3,167,833,065.68/61,191.64
  6. Step 6: Final answer
    x = 51,769.05

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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.