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Finding the Fourth Proportional to 95,426.80, 143,140.20 and 93,239.80

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Solution

The fourth proportional to 95,426.80, 143,140.20 and 93,239.80 is: 139,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,426.80 : 143,140.20 = 93,239.80 : x
  2. Step 2: Convert to fraction form
    95,426.80/143,140.20 = 93,239.80/x
  3. Step 3: Cross multiply
    95,426.80x = 143,140.20 × 93,239.80
  4. Step 4: Simplify right side
    95,426.80x = 13,346,363,619.96
  5. Step 5: Solve for x
    x = 13,346,363,619.96/95,426.80
  6. Step 6: Final answer
    x = 139,859.70

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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.