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Finding the Fourth Proportional to 73,263.80, 109,895.70 and 61,016.60

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Solution

The fourth proportional to 73,263.80, 109,895.70 and 61,016.60 is: 91,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,263.80 : 109,895.70 = 61,016.60 : x
  2. Step 2: Convert to fraction form
    73,263.80/109,895.70 = 61,016.60/x
  3. Step 3: Cross multiply
    73,263.80x = 109,895.70 × 61,016.60
  4. Step 4: Simplify right side
    73,263.80x = 6,705,461,968.62
  5. Step 5: Solve for x
    x = 6,705,461,968.62/73,263.80
  6. Step 6: Final answer
    x = 91,524.90

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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.