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Finding the Fourth Proportional to 356,652.54, 535,060.76 and 119,988.90

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Solution

The fourth proportional to 356,652.54, 535,060.76 and 119,988.90 is: 180,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,652.54 : 535,060.76 = 119,988.90 : x
  2. Step 2: Convert to fraction form
    356,652.54/535,060.76 = 119,988.90/x
  3. Step 3: Cross multiply
    356,652.54x = 535,060.76 × 119,988.90
  4. Step 4: Simplify right side
    356,652.54x = 64,201,351,425.62
  5. Step 5: Solve for x
    x = 64,201,351,425.62/356,652.54
  6. Step 6: Final answer
    x = 180,010.92

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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.