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Finding the Fourth Proportional to 578,885.94, 868,302.18 and 158,160.60

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Solution

The fourth proportional to 578,885.94, 868,302.18 and 158,160.60 is: 237,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,885.94 : 868,302.18 = 158,160.60 : x
  2. Step 2: Convert to fraction form
    578,885.94/868,302.18 = 158,160.60/x
  3. Step 3: Cross multiply
    578,885.94x = 868,302.18 × 158,160.60
  4. Step 4: Simplify right side
    578,885.94x = 137,331,193,770.11
  5. Step 5: Solve for x
    x = 137,331,193,770.11/578,885.94
  6. Step 6: Final answer
    x = 237,233.60

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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.