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Finding the Fourth Proportional to 100,362, 150,553.08 and 26,490

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Solution

The fourth proportional to 100,362, 150,553.08 and 26,490 is: 39,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,362 : 150,553.08 = 26,490 : x
  2. Step 2: Convert to fraction form
    100,362/150,553.08 = 26,490/x
  3. Step 3: Cross multiply
    100,362x = 150,553.08 × 26,490
  4. Step 4: Simplify right side
    100,362x = 3,988,151,089.20
  5. Step 5: Solve for x
    x = 3,988,151,089.20/100,362
  6. Step 6: Final answer
    x = 39,737.66

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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.