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Finding the Fourth Proportional to 104,083.80, 156,125.70 and 70,841.40

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Solution

The fourth proportional to 104,083.80, 156,125.70 and 70,841.40 is: 106,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,083.80 : 156,125.70 = 70,841.40 : x
  2. Step 2: Convert to fraction form
    104,083.80/156,125.70 = 70,841.40/x
  3. Step 3: Cross multiply
    104,083.80x = 156,125.70 × 70,841.40
  4. Step 4: Simplify right side
    104,083.80x = 11,060,163,163.98
  5. Step 5: Solve for x
    x = 11,060,163,163.98/104,083.80
  6. Step 6: Final answer
    x = 106,262.10

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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.