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Finding the Fourth Proportional to 183,892.95, 253,772.50 and 103,320.43

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Solution

The fourth proportional to 183,892.95, 253,772.50 and 103,320.43 is: 142,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,892.95 : 253,772.50 = 103,320.43 : x
  2. Step 2: Convert to fraction form
    183,892.95/253,772.50 = 103,320.43/x
  3. Step 3: Cross multiply
    183,892.95x = 253,772.50 × 103,320.43
  4. Step 4: Simplify right side
    183,892.95x = 26,219,882,929.44
  5. Step 5: Solve for x
    x = 26,219,882,929.44/183,892.95
  6. Step 6: Final answer
    x = 142,582.32

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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.