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Finding the Fourth Proportional to 125,279.51, 187,926.65 and 41,048.51

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Solution

The fourth proportional to 125,279.51, 187,926.65 and 41,048.51 is: 61,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,279.51 : 187,926.65 = 41,048.51 : x
  2. Step 2: Convert to fraction form
    125,279.51/187,926.65 = 41,048.51/x
  3. Step 3: Cross multiply
    125,279.51x = 187,926.65 × 41,048.51
  4. Step 4: Simplify right side
    125,279.51x = 7,714,108,971.79
  5. Step 5: Solve for x
    x = 7,714,108,971.79/125,279.51
  6. Step 6: Final answer
    x = 61,575.18

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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.