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Finding the Fourth Proportional to 125,018.13, 187,493.89 and 35,055.89

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Solution

The fourth proportional to 125,018.13, 187,493.89 and 35,055.89 is: 52,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,018.13 : 187,493.89 = 35,055.89 : x
  2. Step 2: Convert to fraction form
    125,018.13/187,493.89 = 35,055.89/x
  3. Step 3: Cross multiply
    125,018.13x = 187,493.89 × 35,055.89
  4. Step 4: Simplify right side
    125,018.13x = 6,572,765,183.51
  5. Step 5: Solve for x
    x = 6,572,765,183.51/125,018.13
  6. Step 6: Final answer
    x = 52,574.50

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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.