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Finding the Fourth Proportional to 97,517.60, 146,276.40 and 55,381.40

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Solution

The fourth proportional to 97,517.60, 146,276.40 and 55,381.40 is: 83,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,517.60 : 146,276.40 = 55,381.40 : x
  2. Step 2: Convert to fraction form
    97,517.60/146,276.40 = 55,381.40/x
  3. Step 3: Cross multiply
    97,517.60x = 146,276.40 × 55,381.40
  4. Step 4: Simplify right side
    97,517.60x = 8,100,991,818.96
  5. Step 5: Solve for x
    x = 8,100,991,818.96/97,517.60
  6. Step 6: Final answer
    x = 83,072.10

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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.