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Finding the Fourth Proportional to 163,979.60, 246,084.60 and 70,552.40

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Solution

The fourth proportional to 163,979.60, 246,084.60 and 70,552.40 is: 105,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,979.60 : 246,084.60 = 70,552.40 : x
  2. Step 2: Convert to fraction form
    163,979.60/246,084.60 = 70,552.40/x
  3. Step 3: Cross multiply
    163,979.60x = 246,084.60 × 70,552.40
  4. Step 4: Simplify right side
    163,979.60x = 17,361,859,133.04
  5. Step 5: Solve for x
    x = 17,361,859,133.04/163,979.60
  6. Step 6: Final answer
    x = 105,878.16

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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.