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Finding the Fourth Proportional to 171,376.84, 256,730.46 and 118,059.40

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Solution

The fourth proportional to 171,376.84, 256,730.46 and 118,059.40 is: 176,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,376.84 : 256,730.46 = 118,059.40 : x
  2. Step 2: Convert to fraction form
    171,376.84/256,730.46 = 118,059.40/x
  3. Step 3: Cross multiply
    171,376.84x = 256,730.46 × 118,059.40
  4. Step 4: Simplify right side
    171,376.84x = 30,309,444,069.32
  5. Step 5: Solve for x
    x = 30,309,444,069.32/171,376.84
  6. Step 6: Final answer
    x = 176,858.46

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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.