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Finding the Fourth Proportional to 657,209.70, 985,812.93 and 158,573.70

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Solution

The fourth proportional to 657,209.70, 985,812.93 and 158,573.70 is: 237,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,209.70 : 985,812.93 = 158,573.70 : x
  2. Step 2: Convert to fraction form
    657,209.70/985,812.93 = 158,573.70/x
  3. Step 3: Cross multiply
    657,209.70x = 985,812.93 × 158,573.70
  4. Step 4: Simplify right side
    657,209.70x = 156,324,003,817.94
  5. Step 5: Solve for x
    x = 156,324,003,817.94/657,209.70
  6. Step 6: Final answer
    x = 237,860.16

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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.