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Finding the Fourth Proportional to 288,008.23, 432,205.16 and 119,528.69

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Solution

The fourth proportional to 288,008.23, 432,205.16 and 119,528.69 is: 179,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,008.23 : 432,205.16 = 119,528.69 : x
  2. Step 2: Convert to fraction form
    288,008.23/432,205.16 = 119,528.69/x
  3. Step 3: Cross multiply
    288,008.23x = 432,205.16 × 119,528.69
  4. Step 4: Simplify right side
    288,008.23x = 51,660,916,586.04
  5. Step 5: Solve for x
    x = 51,660,916,586.04/288,008.23
  6. Step 6: Final answer
    x = 179,373.06

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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.