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Finding the Fourth Proportional to 279,675.37, 419,138.02 and 153,125.02

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Solution

The fourth proportional to 279,675.37, 419,138.02 and 153,125.02 is: 229,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,675.37 : 419,138.02 = 153,125.02 : x
  2. Step 2: Convert to fraction form
    279,675.37/419,138.02 = 153,125.02/x
  3. Step 3: Cross multiply
    279,675.37x = 419,138.02 × 153,125.02
  4. Step 4: Simplify right side
    279,675.37x = 64,180,517,695.26
  5. Step 5: Solve for x
    x = 64,180,517,695.26/279,675.37
  6. Step 6: Final answer
    x = 229,482.19

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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.