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Finding the Fourth Proportional to 222,521.02, 333,802.06 and 72,762.08

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Solution

The fourth proportional to 222,521.02, 333,802.06 and 72,762.08 is: 109,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,521.02 : 333,802.06 = 72,762.08 : x
  2. Step 2: Convert to fraction form
    222,521.02/333,802.06 = 72,762.08/x
  3. Step 3: Cross multiply
    222,521.02x = 333,802.06 × 72,762.08
  4. Step 4: Simplify right side
    222,521.02x = 24,288,132,193.88
  5. Step 5: Solve for x
    x = 24,288,132,193.88/222,521.02
  6. Step 6: Final answer
    x = 109,149.83

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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.