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Finding the Fourth Proportional to 112,471.25, 168,706.87 and 37,591.40

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Solution

The fourth proportional to 112,471.25, 168,706.87 and 37,591.40 is: 56,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,471.25 : 168,706.87 = 37,591.40 : x
  2. Step 2: Convert to fraction form
    112,471.25/168,706.87 = 37,591.40/x
  3. Step 3: Cross multiply
    112,471.25x = 168,706.87 × 37,591.40
  4. Step 4: Simplify right side
    112,471.25x = 6,341,926,495.41
  5. Step 5: Solve for x
    x = 6,341,926,495.41/112,471.25
  6. Step 6: Final answer
    x = 56,387.09

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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.