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Finding the Fourth Proportional to 125,803.40, 188,664.94 and 41,547.88

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Solution

The fourth proportional to 125,803.40, 188,664.94 and 41,547.88 is: 62,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,803.40 : 188,664.94 = 41,547.88 : x
  2. Step 2: Convert to fraction form
    125,803.40/188,664.94 = 41,547.88/x
  3. Step 3: Cross multiply
    125,803.40x = 188,664.94 × 41,547.88
  4. Step 4: Simplify right side
    125,803.40x = 7,838,628,287.33
  5. Step 5: Solve for x
    x = 7,838,628,287.33/125,803.40
  6. Step 6: Final answer
    x = 62,308.56

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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.