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Finding the Fourth Proportional to 288,346.96, 432,199.32 and 119,773.36

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Solution

The fourth proportional to 288,346.96, 432,199.32 and 119,773.36 is: 179,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,346.96 : 432,199.32 = 119,773.36 : x
  2. Step 2: Convert to fraction form
    288,346.96/432,199.32 = 119,773.36/x
  3. Step 3: Cross multiply
    288,346.96x = 432,199.32 × 119,773.36
  4. Step 4: Simplify right side
    288,346.96x = 51,765,964,746.12
  5. Step 5: Solve for x
    x = 51,765,964,746.12/288,346.96
  6. Step 6: Final answer
    x = 179,526.65

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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.