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Finding the Fourth Proportional to 203,284.64, 304,922.64 and 108,547.04

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Solution

The fourth proportional to 203,284.64, 304,922.64 and 108,547.04 is: 162,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,284.64 : 304,922.64 = 108,547.04 : x
  2. Step 2: Convert to fraction form
    203,284.64/304,922.64 = 108,547.04/x
  3. Step 3: Cross multiply
    203,284.64x = 304,922.64 × 108,547.04
  4. Step 4: Simplify right side
    203,284.64x = 33,098,450,000.99
  5. Step 5: Solve for x
    x = 33,098,450,000.99/203,284.64
  6. Step 6: Final answer
    x = 162,818.25

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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.