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Finding the Fourth Proportional to 101,593.49, 152,426.12 and 45,428.63

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Solution

The fourth proportional to 101,593.49, 152,426.12 and 45,428.63 is: 68,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,593.49 : 152,426.12 = 45,428.63 : x
  2. Step 2: Convert to fraction form
    101,593.49/152,426.12 = 45,428.63/x
  3. Step 3: Cross multiply
    101,593.49x = 152,426.12 × 45,428.63
  4. Step 4: Simplify right side
    101,593.49x = 6,924,508,818.54
  5. Step 5: Solve for x
    x = 6,924,508,818.54/101,593.49
  6. Step 6: Final answer
    x = 68,158.98

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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.