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Finding the Fourth Proportional to 124,516.94, 171,832.57 and 70,801.96

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Solution

The fourth proportional to 124,516.94, 171,832.57 and 70,801.96 is: 97,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.94 : 171,832.57 = 70,801.96 : x
  2. Step 2: Convert to fraction form
    124,516.94/171,832.57 = 70,801.96/x
  3. Step 3: Cross multiply
    124,516.94x = 171,832.57 × 70,801.96
  4. Step 4: Simplify right side
    124,516.94x = 12,166,082,747.84
  5. Step 5: Solve for x
    x = 12,166,082,747.84/124,516.94
  6. Step 6: Final answer
    x = 97,706.25

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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.