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Finding the Fourth Proportional to 129,999.60, 194,941.80 and 59,900.40

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Solution

The fourth proportional to 129,999.60, 194,941.80 and 59,900.40 is: 89,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,999.60 : 194,941.80 = 59,900.40 : x
  2. Step 2: Convert to fraction form
    129,999.60/194,941.80 = 59,900.40/x
  3. Step 3: Cross multiply
    129,999.60x = 194,941.80 × 59,900.40
  4. Step 4: Simplify right side
    129,999.60x = 11,677,091,796.72
  5. Step 5: Solve for x
    x = 11,677,091,796.72/129,999.60
  6. Step 6: Final answer
    x = 89,824.06

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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.