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Finding the Fourth Proportional to 95,884.40, 143,653.80 and 84,825.20

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Solution

The fourth proportional to 95,884.40, 143,653.80 and 84,825.20 is: 127,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,884.40 : 143,653.80 = 84,825.20 : x
  2. Step 2: Convert to fraction form
    95,884.40/143,653.80 = 84,825.20/x
  3. Step 3: Cross multiply
    95,884.40x = 143,653.80 × 84,825.20
  4. Step 4: Simplify right side
    95,884.40x = 12,185,462,315.76
  5. Step 5: Solve for x
    x = 12,185,462,315.76/95,884.40
  6. Step 6: Final answer
    x = 127,084.93

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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.