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Finding the Fourth Proportional to 124,349.98, 171,596.86 and 70,627.94

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Solution

The fourth proportional to 124,349.98, 171,596.86 and 70,627.94 is: 97,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,349.98 : 171,596.86 = 70,627.94 : x
  2. Step 2: Convert to fraction form
    124,349.98/171,596.86 = 70,627.94/x
  3. Step 3: Cross multiply
    124,349.98x = 171,596.86 × 70,627.94
  4. Step 4: Simplify right side
    124,349.98x = 12,119,532,732.27
  5. Step 5: Solve for x
    x = 12,119,532,732.27/124,349.98
  6. Step 6: Final answer
    x = 97,463.09

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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.