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Finding the Fourth Proportional to 71,266.56, 98,282.88 and 61,191.84

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Solution

The fourth proportional to 71,266.56, 98,282.88 and 61,191.84 is: 84,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,266.56 : 98,282.88 = 61,191.84 : x
  2. Step 2: Convert to fraction form
    71,266.56/98,282.88 = 61,191.84/x
  3. Step 3: Cross multiply
    71,266.56x = 98,282.88 × 61,191.84
  4. Step 4: Simplify right side
    71,266.56x = 6,014,110,267.70
  5. Step 5: Solve for x
    x = 6,014,110,267.70/71,266.56
  6. Step 6: Final answer
    x = 84,388.95

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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.