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Finding the Fourth Proportional to 99,737.49, 137,655.54 and 59,453.82

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Solution

The fourth proportional to 99,737.49, 137,655.54 and 59,453.82 is: 82,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737.49 : 137,655.54 = 59,453.82 : x
  2. Step 2: Convert to fraction form
    99,737.49/137,655.54 = 59,453.82/x
  3. Step 3: Cross multiply
    99,737.49x = 137,655.54 × 59,453.82
  4. Step 4: Simplify right side
    99,737.49x = 8,184,147,697.16
  5. Step 5: Solve for x
    x = 8,184,147,697.16/99,737.49
  6. Step 6: Final answer
    x = 82,056.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.