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Finding the Fourth Proportional to 125,241.97, 187,871.84 and 50,362.51

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Solution

The fourth proportional to 125,241.97, 187,871.84 and 50,362.51 is: 75,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,241.97 : 187,871.84 = 50,362.51 : x
  2. Step 2: Convert to fraction form
    125,241.97/187,871.84 = 50,362.51/x
  3. Step 3: Cross multiply
    125,241.97x = 187,871.84 × 50,362.51
  4. Step 4: Simplify right side
    125,241.97x = 9,461,697,452.81
  5. Step 5: Solve for x
    x = 9,461,697,452.81/125,241.97
  6. Step 6: Final answer
    x = 75,547.34

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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.