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Finding the Fourth Proportional to 250,251.60, 345,345.63 and 135,528.42

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Solution

The fourth proportional to 250,251.60, 345,345.63 and 135,528.42 is: 187,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,251.60 : 345,345.63 = 135,528.42 : x
  2. Step 2: Convert to fraction form
    250,251.60/345,345.63 = 135,528.42/x
  3. Step 3: Cross multiply
    250,251.60x = 345,345.63 × 135,528.42
  4. Step 4: Simplify right side
    250,251.60x = 46,804,145,784.53
  5. Step 5: Solve for x
    x = 46,804,145,784.53/250,251.60
  6. Step 6: Final answer
    x = 187,028.35

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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.