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Finding the Fourth Proportional to 125,655.84, 188,434.54 and 46,727.01

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Solution

The fourth proportional to 125,655.84, 188,434.54 and 46,727.01 is: 70,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655.84 : 188,434.54 = 46,727.01 : x
  2. Step 2: Convert to fraction form
    125,655.84/188,434.54 = 46,727.01/x
  3. Step 3: Cross multiply
    125,655.84x = 188,434.54 × 46,727.01
  4. Step 4: Simplify right side
    125,655.84x = 8,804,982,634.93
  5. Step 5: Solve for x
    x = 8,804,982,634.93/125,655.84
  6. Step 6: Final answer
    x = 70,072.21

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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.