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Finding the Fourth Proportional to 119,285.84, 178,928.81 and 56,059.56

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Solution

The fourth proportional to 119,285.84, 178,928.81 and 56,059.56 is: 84,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,285.84 : 178,928.81 = 56,059.56 : x
  2. Step 2: Convert to fraction form
    119,285.84/178,928.81 = 56,059.56/x
  3. Step 3: Cross multiply
    119,285.84x = 178,928.81 × 56,059.56
  4. Step 4: Simplify right side
    119,285.84x = 10,030,670,079.63
  5. Step 5: Solve for x
    x = 10,030,670,079.63/119,285.84
  6. Step 6: Final answer
    x = 84,089.36

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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.