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Finding the Fourth Proportional to 95,597.20, 143,395.80 and 91,968.40

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Solution

The fourth proportional to 95,597.20, 143,395.80 and 91,968.40 is: 137,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,597.20 : 143,395.80 = 91,968.40 : x
  2. Step 2: Convert to fraction form
    95,597.20/143,395.80 = 91,968.40/x
  3. Step 3: Cross multiply
    95,597.20x = 143,395.80 × 91,968.40
  4. Step 4: Simplify right side
    95,597.20x = 13,187,882,292.72
  5. Step 5: Solve for x
    x = 13,187,882,292.72/95,597.20
  6. Step 6: Final answer
    x = 137,952.60

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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.