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Finding the Fourth Proportional to 163,124.40, 244,627.84 and 56,479.40

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Solution

The fourth proportional to 163,124.40, 244,627.84 and 56,479.40 is: 84,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,124.40 : 244,627.84 = 56,479.40 : x
  2. Step 2: Convert to fraction form
    163,124.40/244,627.84 = 56,479.40/x
  3. Step 3: Cross multiply
    163,124.40x = 244,627.84 × 56,479.40
  4. Step 4: Simplify right side
    163,124.40x = 13,816,433,626.50
  5. Step 5: Solve for x
    x = 13,816,433,626.50/163,124.40
  6. Step 6: Final answer
    x = 84,698.76

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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.