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Finding the Fourth Proportional to 104,813.40, 157,220.10 and 34,699.80

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Solution

The fourth proportional to 104,813.40, 157,220.10 and 34,699.80 is: 52,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,813.40 : 157,220.10 = 34,699.80 : x
  2. Step 2: Convert to fraction form
    104,813.40/157,220.10 = 34,699.80/x
  3. Step 3: Cross multiply
    104,813.40x = 157,220.10 × 34,699.80
  4. Step 4: Simplify right side
    104,813.40x = 5,455,506,025.98
  5. Step 5: Solve for x
    x = 5,455,506,025.98/104,813.40
  6. Step 6: Final answer
    x = 52,049.70

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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.