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Finding the Fourth Proportional to 115,980.52, 174,037.74 and 62,672.68

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Solution

The fourth proportional to 115,980.52, 174,037.74 and 62,672.68 is: 94,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,980.52 : 174,037.74 = 62,672.68 : x
  2. Step 2: Convert to fraction form
    115,980.52/174,037.74 = 62,672.68/x
  3. Step 3: Cross multiply
    115,980.52x = 174,037.74 × 62,672.68
  4. Step 4: Simplify right side
    115,980.52x = 10,907,411,586.94
  5. Step 5: Solve for x
    x = 10,907,411,586.94/115,980.52
  6. Step 6: Final answer
    x = 94,045.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.