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Finding the Fourth Proportional to 143,492.58, 215,193.15 and 52,296.62

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Solution

The fourth proportional to 143,492.58, 215,193.15 and 52,296.62 is: 78,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,492.58 : 215,193.15 = 52,296.62 : x
  2. Step 2: Convert to fraction form
    143,492.58/215,193.15 = 52,296.62/x
  3. Step 3: Cross multiply
    143,492.58x = 215,193.15 × 52,296.62
  4. Step 4: Simplify right side
    143,492.58x = 11,253,873,316.19
  5. Step 5: Solve for x
    x = 11,253,873,316.19/143,492.58
  6. Step 6: Final answer
    x = 78,428.26

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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.