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Finding the Fourth Proportional to 95,713.69, 143,602.51 and 42,398.43

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Solution

The fourth proportional to 95,713.69, 143,602.51 and 42,398.43 is: 63,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,713.69 : 143,602.51 = 42,398.43 : x
  2. Step 2: Convert to fraction form
    95,713.69/143,602.51 = 42,398.43/x
  3. Step 3: Cross multiply
    95,713.69x = 143,602.51 × 42,398.43
  4. Step 4: Simplify right side
    95,713.69x = 6,088,520,038.05
  5. Step 5: Solve for x
    x = 6,088,520,038.05/95,713.69
  6. Step 6: Final answer
    x = 63,611.80

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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.