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Finding the Fourth Proportional to 129,503.58, 194,041.53 and 59,227.98

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Solution

The fourth proportional to 129,503.58, 194,041.53 and 59,227.98 is: 88,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,503.58 : 194,041.53 = 59,227.98 : x
  2. Step 2: Convert to fraction form
    129,503.58/194,041.53 = 59,227.98/x
  3. Step 3: Cross multiply
    129,503.58x = 194,041.53 × 59,227.98
  4. Step 4: Simplify right side
    129,503.58x = 11,492,687,858.01
  5. Step 5: Solve for x
    x = 11,492,687,858.01/129,503.58
  6. Step 6: Final answer
    x = 88,744.17

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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.