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Finding the Fourth Proportional to 75,598, 113,401.80 and 23,011.36

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Solution

The fourth proportional to 75,598, 113,401.80 and 23,011.36 is: 34,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,598 : 113,401.80 = 23,011.36 : x
  2. Step 2: Convert to fraction form
    75,598/113,401.80 = 23,011.36/x
  3. Step 3: Cross multiply
    75,598x = 113,401.80 × 23,011.36
  4. Step 4: Simplify right side
    75,598x = 2,609,529,644.45
  5. Step 5: Solve for x
    x = 2,609,529,644.45/75,598
  6. Step 6: Final answer
    x = 34,518.50

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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.