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Finding the Fourth Proportional to 124,103.67, 171,262.53 and 67,516.26

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Solution

The fourth proportional to 124,103.67, 171,262.53 and 67,516.26 is: 93,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,103.67 : 171,262.53 = 67,516.26 : x
  2. Step 2: Convert to fraction form
    124,103.67/171,262.53 = 67,516.26/x
  3. Step 3: Cross multiply
    124,103.67x = 171,262.53 × 67,516.26
  4. Step 4: Simplify right side
    124,103.67x = 11,563,005,503.74
  5. Step 5: Solve for x
    x = 11,563,005,503.74/124,103.67
  6. Step 6: Final answer
    x = 93,172.15

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1.5x scale

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.