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Finding the Fourth Proportional to 634,751.36, 952,122.92 and 161,432.64

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Solution

The fourth proportional to 634,751.36, 952,122.92 and 161,432.64 is: 242,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,751.36 : 952,122.92 = 161,432.64 : x
  2. Step 2: Convert to fraction form
    634,751.36/952,122.92 = 161,432.64/x
  3. Step 3: Cross multiply
    634,751.36x = 952,122.92 × 161,432.64
  4. Step 4: Simplify right side
    634,751.36x = 153,703,716,580.11
  5. Step 5: Solve for x
    x = 153,703,716,580.11/634,751.36
  6. Step 6: Final answer
    x = 242,147.91

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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.