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Finding the Fourth Proportional to 112,240.80, 168,384.60 and 37,384.20

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Solution

The fourth proportional to 112,240.80, 168,384.60 and 37,384.20 is: 56,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,240.80 : 168,384.60 = 37,384.20 : x
  2. Step 2: Convert to fraction form
    112,240.80/168,384.60 = 37,384.20/x
  3. Step 3: Cross multiply
    112,240.80x = 168,384.60 × 37,384.20
  4. Step 4: Simplify right side
    112,240.80x = 6,294,923,563.32
  5. Step 5: Solve for x
    x = 6,294,923,563.32/112,240.80
  6. Step 6: Final answer
    x = 56,084.09

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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.