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Finding the Fourth Proportional to 99,307.41, 148,914.20 and 36,083.46

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Solution

The fourth proportional to 99,307.41, 148,914.20 and 36,083.46 is: 54,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,307.41 : 148,914.20 = 36,083.46 : x
  2. Step 2: Convert to fraction form
    99,307.41/148,914.20 = 36,083.46/x
  3. Step 3: Cross multiply
    99,307.41x = 148,914.20 × 36,083.46
  4. Step 4: Simplify right side
    99,307.41x = 5,373,339,398.71
  5. Step 5: Solve for x
    x = 5,373,339,398.71/99,307.41
  6. Step 6: Final answer
    x = 54,108.14

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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.