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Finding the Fourth Proportional to 163,975.60, 246,078.60 and 70,548.40

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Solution

The fourth proportional to 163,975.60, 246,078.60 and 70,548.40 is: 105,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,975.60 : 246,078.60 = 70,548.40 : x
  2. Step 2: Convert to fraction form
    163,975.60/246,078.60 = 70,548.40/x
  3. Step 3: Cross multiply
    163,975.60x = 246,078.60 × 70,548.40
  4. Step 4: Simplify right side
    163,975.60x = 17,360,451,504.24
  5. Step 5: Solve for x
    x = 17,360,451,504.24/163,975.60
  6. Step 6: Final answer
    x = 105,872.16

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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.