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Finding the Fourth Proportional to 187,252, 258,407.72 and 102,369.04

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Solution

The fourth proportional to 187,252, 258,407.72 and 102,369.04 is: 141,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,252 : 258,407.72 = 102,369.04 : x
  2. Step 2: Convert to fraction form
    187,252/258,407.72 = 102,369.04/x
  3. Step 3: Cross multiply
    187,252x = 258,407.72 × 102,369.04
  4. Step 4: Simplify right side
    187,252x = 26,452,950,224.99
  5. Step 5: Solve for x
    x = 26,452,950,224.99/187,252
  6. Step 6: Final answer
    x = 141,269.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.