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Finding the Fourth Proportional to 124,314.42, 171,574.70 and 73,339.80

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Solution

The fourth proportional to 124,314.42, 171,574.70 and 73,339.80 is: 101,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,314.42 : 171,574.70 = 73,339.80 : x
  2. Step 2: Convert to fraction form
    124,314.42/171,574.70 = 73,339.80/x
  3. Step 3: Cross multiply
    124,314.42x = 171,574.70 × 73,339.80
  4. Step 4: Simplify right side
    124,314.42x = 12,583,254,183.06
  5. Step 5: Solve for x
    x = 12,583,254,183.06/124,314.42
  6. Step 6: Final answer
    x = 101,221.20

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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.