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Finding the Fourth Proportional to 95,857.74, 143,732.72 and 65,907.18

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Solution

The fourth proportional to 95,857.74, 143,732.72 and 65,907.18 is: 98,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,857.74 : 143,732.72 = 65,907.18 : x
  2. Step 2: Convert to fraction form
    95,857.74/143,732.72 = 65,907.18/x
  3. Step 3: Cross multiply
    95,857.74x = 143,732.72 × 65,907.18
  4. Step 4: Simplify right side
    95,857.74x = 9,473,018,248.93
  5. Step 5: Solve for x
    x = 9,473,018,248.93/95,857.74
  6. Step 6: Final answer
    x = 98,823.72

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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.