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Finding the Fourth Proportional to 130,059.80, 194,943.90 and 73,926.80

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Solution

The fourth proportional to 130,059.80, 194,943.90 and 73,926.80 is: 110,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,059.80 : 194,943.90 = 73,926.80 : x
  2. Step 2: Convert to fraction form
    130,059.80/194,943.90 = 73,926.80/x
  3. Step 3: Cross multiply
    130,059.80x = 194,943.90 × 73,926.80
  4. Step 4: Simplify right side
    130,059.80x = 14,411,578,706.52
  5. Step 5: Solve for x
    x = 14,411,578,706.52/130,059.80
  6. Step 6: Final answer
    x = 110,807.33

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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.