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Finding the Fourth Proportional to 208,260.01, 312,314.68 and 75,104.51

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Solution

The fourth proportional to 208,260.01, 312,314.68 and 75,104.51 is: 112,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,260.01 : 312,314.68 = 75,104.51 : x
  2. Step 2: Convert to fraction form
    208,260.01/312,314.68 = 75,104.51/x
  3. Step 3: Cross multiply
    208,260.01x = 312,314.68 × 75,104.51
  4. Step 4: Simplify right side
    208,260.01x = 23,456,240,631.68
  5. Step 5: Solve for x
    x = 23,456,240,631.68/208,260.01
  6. Step 6: Final answer
    x = 112,629.60

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1.5x scale

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.