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Finding the Fourth Proportional to 104,043.35, 156,065.03 and 56,804.15

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Solution

The fourth proportional to 104,043.35, 156,065.03 and 56,804.15 is: 85,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.35 : 156,065.03 = 56,804.15 : x
  2. Step 2: Convert to fraction form
    104,043.35/156,065.03 = 56,804.15/x
  3. Step 3: Cross multiply
    104,043.35x = 156,065.03 × 56,804.15
  4. Step 4: Simplify right side
    104,043.35x = 8,865,141,089.85
  5. Step 5: Solve for x
    x = 8,865,141,089.85/104,043.35
  6. Step 6: Final answer
    x = 85,206.23

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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.