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Finding the Fourth Proportional to 124,033.01, 171,193.64 and 75,651.30

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Solution

The fourth proportional to 124,033.01, 171,193.64 and 75,651.30 is: 104,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,033.01 : 171,193.64 = 75,651.30 : x
  2. Step 2: Convert to fraction form
    124,033.01/171,193.64 = 75,651.30/x
  3. Step 3: Cross multiply
    124,033.01x = 171,193.64 × 75,651.30
  4. Step 4: Simplify right side
    124,033.01x = 12,951,021,039.48
  5. Step 5: Solve for x
    x = 12,951,021,039.48/124,033.01
  6. Step 6: Final answer
    x = 104,415.93

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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.