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Finding the Fourth Proportional to 95,628.80, 143,459.40 and 29,068.40

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Solution

The fourth proportional to 95,628.80, 143,459.40 and 29,068.40 is: 43,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,628.80 : 143,459.40 = 29,068.40 : x
  2. Step 2: Convert to fraction form
    95,628.80/143,459.40 = 29,068.40/x
  3. Step 3: Cross multiply
    95,628.80x = 143,459.40 × 29,068.40
  4. Step 4: Simplify right side
    95,628.80x = 4,170,135,222.96
  5. Step 5: Solve for x
    x = 4,170,135,222.96/95,628.80
  6. Step 6: Final answer
    x = 43,607.52

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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.