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Finding the Fourth Proportional to 183,012.92, 252,482.64 and 111,381.20

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Solution

The fourth proportional to 183,012.92, 252,482.64 and 111,381.20 is: 153,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,012.92 : 252,482.64 = 111,381.20 : x
  2. Step 2: Convert to fraction form
    183,012.92/252,482.64 = 111,381.20/x
  3. Step 3: Cross multiply
    183,012.92x = 252,482.64 × 111,381.20
  4. Step 4: Simplify right side
    183,012.92x = 28,121,819,422.37
  5. Step 5: Solve for x
    x = 28,121,819,422.37/183,012.92
  6. Step 6: Final answer
    x = 153,660.30

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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.