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Finding the Fourth Proportional to 187,295.01, 258,467.55 and 102,412.29

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Solution

The fourth proportional to 187,295.01, 258,467.55 and 102,412.29 is: 141,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,295.01 : 258,467.55 = 102,412.29 : x
  2. Step 2: Convert to fraction form
    187,295.01/258,467.55 = 102,412.29/x
  3. Step 3: Cross multiply
    187,295.01x = 258,467.55 × 102,412.29
  4. Step 4: Simplify right side
    187,295.01x = 26,470,253,686.19
  5. Step 5: Solve for x
    x = 26,470,253,686.19/187,295.01
  6. Step 6: Final answer
    x = 141,329.20

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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.