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Finding the Fourth Proportional to 285,098.40, 427,742.62 and 95,577.52

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Solution

The fourth proportional to 285,098.40, 427,742.62 and 95,577.52 is: 143,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,098.40 : 427,742.62 = 95,577.52 : x
  2. Step 2: Convert to fraction form
    285,098.40/427,742.62 = 95,577.52/x
  3. Step 3: Cross multiply
    285,098.40x = 427,742.62 × 95,577.52
  4. Step 4: Simplify right side
    285,098.40x = 40,882,578,817.90
  5. Step 5: Solve for x
    x = 40,882,578,817.90/285,098.40
  6. Step 6: Final answer
    x = 143,398.13

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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.