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Finding the Fourth Proportional to 183,856.80, 253,722.40 and 102,185.04

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Solution

The fourth proportional to 183,856.80, 253,722.40 and 102,185.04 is: 141,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,856.80 : 253,722.40 = 102,185.04 : x
  2. Step 2: Convert to fraction form
    183,856.80/253,722.40 = 102,185.04/x
  3. Step 3: Cross multiply
    183,856.80x = 253,722.40 × 102,185.04
  4. Step 4: Simplify right side
    183,856.80x = 25,926,633,592.90
  5. Step 5: Solve for x
    x = 25,926,633,592.90/183,856.80
  6. Step 6: Final answer
    x = 141,015.36

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1.5x scale

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.