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Finding the Fourth Proportional to 187,205.10, 262,553.70 and 187,205.10

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Solution

The fourth proportional to 187,205.10, 262,553.70 and 187,205.10 is: 262,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,205.10 : 262,553.70 = 187,205.10 : x
  2. Step 2: Convert to fraction form
    187,205.10/262,553.70 = 187,205.10/x
  3. Step 3: Cross multiply
    187,205.10x = 262,553.70 × 187,205.10
  4. Step 4: Simplify right side
    187,205.10x = 49,151,391,663.87
  5. Step 5: Solve for x
    x = 49,151,391,663.87/187,205.10
  6. Step 6: Final answer
    x = 262,553.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.