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Finding the Fourth Proportional to 176,412.48, 264,627.36 and 71,218.32

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Solution

The fourth proportional to 176,412.48, 264,627.36 and 71,218.32 is: 106,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,412.48 : 264,627.36 = 71,218.32 : x
  2. Step 2: Convert to fraction form
    176,412.48/264,627.36 = 71,218.32/x
  3. Step 3: Cross multiply
    176,412.48x = 264,627.36 × 71,218.32
  4. Step 4: Simplify right side
    176,412.48x = 18,846,316,005.24
  5. Step 5: Solve for x
    x = 18,846,316,005.24/176,412.48
  6. Step 6: Final answer
    x = 106,830.97

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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.