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Finding the Fourth Proportional to 309,725.52, 464,588.36 and 88,109.52

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Solution

The fourth proportional to 309,725.52, 464,588.36 and 88,109.52 is: 132,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,725.52 : 464,588.36 = 88,109.52 : x
  2. Step 2: Convert to fraction form
    309,725.52/464,588.36 = 88,109.52/x
  3. Step 3: Cross multiply
    309,725.52x = 464,588.36 × 88,109.52
  4. Step 4: Simplify right side
    309,725.52x = 40,934,657,397.19
  5. Step 5: Solve for x
    x = 40,934,657,397.19/309,725.52
  6. Step 6: Final answer
    x = 132,164.30

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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.