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Finding the Fourth Proportional to 119,903.94, 180,060.03 and 114,888.42

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Solution

The fourth proportional to 119,903.94, 180,060.03 and 114,888.42 is: 172,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,903.94 : 180,060.03 = 114,888.42 : x
  2. Step 2: Convert to fraction form
    119,903.94/180,060.03 = 114,888.42/x
  3. Step 3: Cross multiply
    119,903.94x = 180,060.03 × 114,888.42
  4. Step 4: Simplify right side
    119,903.94x = 20,686,812,351.85
  5. Step 5: Solve for x
    x = 20,686,812,351.85/119,903.94
  6. Step 6: Final answer
    x = 172,528.21

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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.