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Finding the Fourth Proportional to 95,429.80, 143,144.70 and 93,242.80

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Solution

The fourth proportional to 95,429.80, 143,144.70 and 93,242.80 is: 139,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,429.80 : 143,144.70 = 93,242.80 : x
  2. Step 2: Convert to fraction form
    95,429.80/143,144.70 = 93,242.80/x
  3. Step 3: Cross multiply
    95,429.80x = 143,144.70 × 93,242.80
  4. Step 4: Simplify right side
    95,429.80x = 13,347,212,633.16
  5. Step 5: Solve for x
    x = 13,347,212,633.16/95,429.80
  6. Step 6: Final answer
    x = 139,864.20

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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.