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Finding the Fourth Proportional to 281,901.96, 389,026.26 and 152,841.42

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Solution

The fourth proportional to 281,901.96, 389,026.26 and 152,841.42 is: 210,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,901.96 : 389,026.26 = 152,841.42 : x
  2. Step 2: Convert to fraction form
    281,901.96/389,026.26 = 152,841.42/x
  3. Step 3: Cross multiply
    281,901.96x = 389,026.26 × 152,841.42
  4. Step 4: Simplify right side
    281,901.96x = 59,459,325,995.69
  5. Step 5: Solve for x
    x = 59,459,325,995.69/281,901.96
  6. Step 6: Final answer
    x = 210,922.00

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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.