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Finding the Fourth Proportional to 183,981.64, 253,896.92 and 103,404.44

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Solution

The fourth proportional to 183,981.64, 253,896.92 and 103,404.44 is: 142,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,981.64 : 253,896.92 = 103,404.44 : x
  2. Step 2: Convert to fraction form
    183,981.64/253,896.92 = 103,404.44/x
  3. Step 3: Cross multiply
    183,981.64x = 253,896.92 × 103,404.44
  4. Step 4: Simplify right side
    183,981.64x = 26,254,068,830.32
  5. Step 5: Solve for x
    x = 26,254,068,830.32/183,981.64
  6. Step 6: Final answer
    x = 142,699.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.