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Finding the Fourth Proportional to 104,114.40, 156,056.40 and 57,400.80

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Solution

The fourth proportional to 104,114.40, 156,056.40 and 57,400.80 is: 86,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,114.40 : 156,056.40 = 57,400.80 : x
  2. Step 2: Convert to fraction form
    104,114.40/156,056.40 = 57,400.80/x
  3. Step 3: Cross multiply
    104,114.40x = 156,056.40 × 57,400.80
  4. Step 4: Simplify right side
    104,114.40x = 8,957,762,205.12
  5. Step 5: Solve for x
    x = 8,957,762,205.12/104,114.40
  6. Step 6: Final answer
    x = 86,037.69

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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.