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Finding the Fourth Proportional to 129,952.40, 194,777.40 and 59,838.80

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Solution

The fourth proportional to 129,952.40, 194,777.40 and 59,838.80 is: 89,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,952.40 : 194,777.40 = 59,838.80 : x
  2. Step 2: Convert to fraction form
    129,952.40/194,777.40 = 59,838.80/x
  3. Step 3: Cross multiply
    129,952.40x = 194,777.40 × 59,838.80
  4. Step 4: Simplify right side
    129,952.40x = 11,655,245,883.12
  5. Step 5: Solve for x
    x = 11,655,245,883.12/129,952.40
  6. Step 6: Final answer
    x = 89,688.58

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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.