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Finding the Fourth Proportional to 254,785.96, 382,332.54 and 88,690.60

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Solution

The fourth proportional to 254,785.96, 382,332.54 and 88,690.60 is: 133,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,785.96 : 382,332.54 = 88,690.60 : x
  2. Step 2: Convert to fraction form
    254,785.96/382,332.54 = 88,690.60/x
  3. Step 3: Cross multiply
    254,785.96x = 382,332.54 × 88,690.60
  4. Step 4: Simplify right side
    254,785.96x = 33,909,302,372.12
  5. Step 5: Solve for x
    x = 33,909,302,372.12/254,785.96
  6. Step 6: Final answer
    x = 133,089.37

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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.