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Finding the Fourth Proportional to 124,393.64, 186,619.62 and 49,518.36

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Solution

The fourth proportional to 124,393.64, 186,619.62 and 49,518.36 is: 74,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,393.64 : 186,619.62 = 49,518.36 : x
  2. Step 2: Convert to fraction form
    124,393.64/186,619.62 = 49,518.36/x
  3. Step 3: Cross multiply
    124,393.64x = 186,619.62 × 49,518.36
  4. Step 4: Simplify right side
    124,393.64x = 9,241,097,526.22
  5. Step 5: Solve for x
    x = 9,241,097,526.22/124,393.64
  6. Step 6: Final answer
    x = 74,289.15

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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.