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Finding the Fourth Proportional to 106,999.60, 160,499.40 and 51,703.60

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Solution

The fourth proportional to 106,999.60, 160,499.40 and 51,703.60 is: 77,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,999.60 : 160,499.40 = 51,703.60 : x
  2. Step 2: Convert to fraction form
    106,999.60/160,499.40 = 51,703.60/x
  3. Step 3: Cross multiply
    106,999.60x = 160,499.40 × 51,703.60
  4. Step 4: Simplify right side
    106,999.60x = 8,298,396,777.84
  5. Step 5: Solve for x
    x = 8,298,396,777.84/106,999.60
  6. Step 6: Final answer
    x = 77,555.40

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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.