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Finding the Fourth Proportional to 124,346.98, 186,541.12 and 49,467.84

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Solution

The fourth proportional to 124,346.98, 186,541.12 and 49,467.84 is: 74,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,346.98 : 186,541.12 = 49,467.84 : x
  2. Step 2: Convert to fraction form
    124,346.98/186,541.12 = 49,467.84/x
  3. Step 3: Cross multiply
    124,346.98x = 186,541.12 × 49,467.84
  4. Step 4: Simplify right side
    124,346.98x = 9,227,786,277.58
  5. Step 5: Solve for x
    x = 9,227,786,277.58/124,346.98
  6. Step 6: Final answer
    x = 74,209.98

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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.