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Finding the Fourth Proportional to 130,060.80, 194,961.60 and 59,817.60

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Solution

The fourth proportional to 130,060.80, 194,961.60 and 59,817.60 is: 89,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,060.80 : 194,961.60 = 59,817.60 : x
  2. Step 2: Convert to fraction form
    130,060.80/194,961.60 = 59,817.60/x
  3. Step 3: Cross multiply
    130,060.80x = 194,961.60 × 59,817.60
  4. Step 4: Simplify right side
    130,060.80x = 11,662,135,004.16
  5. Step 5: Solve for x
    x = 11,662,135,004.16/130,060.80
  6. Step 6: Final answer
    x = 89,666.79

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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.