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Finding the Fourth Proportional to 124,482.16, 186,601.74 and 49,579.84

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Solution

The fourth proportional to 124,482.16, 186,601.74 and 49,579.84 is: 74,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,482.16 : 186,601.74 = 49,579.84 : x
  2. Step 2: Convert to fraction form
    124,482.16/186,601.74 = 49,579.84/x
  3. Step 3: Cross multiply
    124,482.16x = 186,601.74 × 49,579.84
  4. Step 4: Simplify right side
    124,482.16x = 9,251,684,412.92
  5. Step 5: Solve for x
    x = 9,251,684,412.92/124,482.16
  6. Step 6: Final answer
    x = 74,321.37

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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.