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Finding the Fourth Proportional to 163,584.40, 245,376.60 and 124,218.40

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Solution

The fourth proportional to 163,584.40, 245,376.60 and 124,218.40 is: 186,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,584.40 : 245,376.60 = 124,218.40 : x
  2. Step 2: Convert to fraction form
    163,584.40/245,376.60 = 124,218.40/x
  3. Step 3: Cross multiply
    163,584.40x = 245,376.60 × 124,218.40
  4. Step 4: Simplify right side
    163,584.40x = 30,480,288,649.44
  5. Step 5: Solve for x
    x = 30,480,288,649.44/163,584.40
  6. Step 6: Final answer
    x = 186,327.60

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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.