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Finding the Fourth Proportional to 108,037.60, 162,007.80 and 48,842.80

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Solution

The fourth proportional to 108,037.60, 162,007.80 and 48,842.80 is: 73,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,037.60 : 162,007.80 = 48,842.80 : x
  2. Step 2: Convert to fraction form
    108,037.60/162,007.80 = 48,842.80/x
  3. Step 3: Cross multiply
    108,037.60x = 162,007.80 × 48,842.80
  4. Step 4: Simplify right side
    108,037.60x = 7,912,914,573.84
  5. Step 5: Solve for x
    x = 7,912,914,573.84/108,037.60
  6. Step 6: Final answer
    x = 73,242.23

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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.