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Finding the Fourth Proportional to 634,671.90, 952,010.07 and 161,357.31

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Solution

The fourth proportional to 634,671.90, 952,010.07 and 161,357.31 is: 242,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,671.90 : 952,010.07 = 161,357.31 : x
  2. Step 2: Convert to fraction form
    634,671.90/952,010.07 = 161,357.31/x
  3. Step 3: Cross multiply
    634,671.90x = 952,010.07 × 161,357.31
  4. Step 4: Simplify right side
    634,671.90x = 153,613,783,988.11
  5. Step 5: Solve for x
    x = 153,613,783,988.11/634,671.90
  6. Step 6: Final answer
    x = 242,036.53

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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.