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Finding the Fourth Proportional to 265,914.30, 398,784.72 and 88,373.64

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Solution

The fourth proportional to 265,914.30, 398,784.72 and 88,373.64 is: 132,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,914.30 : 398,784.72 = 88,373.64 : x
  2. Step 2: Convert to fraction form
    265,914.30/398,784.72 = 88,373.64/x
  3. Step 3: Cross multiply
    265,914.30x = 398,784.72 × 88,373.64
  4. Step 4: Simplify right side
    265,914.30x = 35,242,057,282.78
  5. Step 5: Solve for x
    x = 35,242,057,282.78/265,914.30
  6. Step 6: Final answer
    x = 132,531.64

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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.