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Finding the Fourth Proportional to 30,101.40, 45,139.02 and 16,058.30

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Solution

The fourth proportional to 30,101.40, 45,139.02 and 16,058.30 is: 24,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.40 : 45,139.02 = 16,058.30 : x
  2. Step 2: Convert to fraction form
    30,101.40/45,139.02 = 16,058.30/x
  3. Step 3: Cross multiply
    30,101.40x = 45,139.02 × 16,058.30
  4. Step 4: Simplify right side
    30,101.40x = 724,855,924.87
  5. Step 5: Solve for x
    x = 724,855,924.87/30,101.40
  6. Step 6: Final answer
    x = 24,080.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.