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Finding the Fourth Proportional to 159,090, 238,636.44 and 48,282

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Solution

The fourth proportional to 159,090, 238,636.44 and 48,282 is: 72,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,090 : 238,636.44 = 48,282 : x
  2. Step 2: Convert to fraction form
    159,090/238,636.44 = 48,282/x
  3. Step 3: Cross multiply
    159,090x = 238,636.44 × 48,282
  4. Step 4: Simplify right side
    159,090x = 11,521,844,596.08
  5. Step 5: Solve for x
    x = 11,521,844,596.08/159,090
  6. Step 6: Final answer
    x = 72,423.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.