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Finding the Fourth Proportional to 353,176.20, 530,055.90 and 163,927.80

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Solution

The fourth proportional to 353,176.20, 530,055.90 and 163,927.80 is: 246,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,176.20 : 530,055.90 = 163,927.80 : x
  2. Step 2: Convert to fraction form
    353,176.20/530,055.90 = 163,927.80/x
  3. Step 3: Cross multiply
    353,176.20x = 530,055.90 × 163,927.80
  4. Step 4: Simplify right side
    353,176.20x = 86,890,897,564.02
  5. Step 5: Solve for x
    x = 86,890,897,564.02/353,176.20
  6. Step 6: Final answer
    x = 246,027.05

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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.