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Finding the Fourth Proportional to 95,558.40, 143,164.80 and 84,499.20

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Solution

The fourth proportional to 95,558.40, 143,164.80 and 84,499.20 is: 126,596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,558.40 : 143,164.80 = 84,499.20 : x
  2. Step 2: Convert to fraction form
    95,558.40/143,164.80 = 84,499.20/x
  3. Step 3: Cross multiply
    95,558.40x = 143,164.80 × 84,499.20
  4. Step 4: Simplify right side
    95,558.40x = 12,097,311,068.16
  5. Step 5: Solve for x
    x = 12,097,311,068.16/95,558.40
  6. Step 6: Final answer
    x = 126,596.00

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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.