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Finding the Fourth Proportional to 124,477.92, 171,748.80 and 73,491.84

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Solution

The fourth proportional to 124,477.92, 171,748.80 and 73,491.84 is: 101,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,477.92 : 171,748.80 = 73,491.84 : x
  2. Step 2: Convert to fraction form
    124,477.92/171,748.80 = 73,491.84/x
  3. Step 3: Cross multiply
    124,477.92x = 171,748.80 × 73,491.84
  4. Step 4: Simplify right side
    124,477.92x = 12,622,135,329.79
  5. Step 5: Solve for x
    x = 12,622,135,329.79/124,477.92
  6. Step 6: Final answer
    x = 101,400.60

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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.